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little diameter
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  小直径
     To meet this condition, the Y341-100 little diameter packer is designed and the mating use with other tool can meet the need of oil production in different zone and water injection of the 139. 7 mm casing wells with deformation diameter more than 110 mm.
     针对目前现状,开发研制了Y341-100型小直径液压封隔器,配套其它井下工具使用以满足套管直径不小于110 mm的139.7 mm套管井的分层采油及注水等工艺要求。
短句来源
     CAD for Shearer MEchanism and Study on Loading Performance of Little Diameter Drum for Thin Coal Seam
     采煤机工作机构CAD及薄煤层小直径滚筒装煤性能的研究
短句来源
     Application about the Hob of Little Diameter
     小直径滚刀的应用特点
短句来源
     The research of deep mix round pile technology is based on the routine mix round pile foundation technology. With a construction thickness of multi-head little diameter deep mix round pile of 8cm~45cm, current maximum construction depth is 18 m.
     深层搅拌桩防渗墙是在常规的搅拌桩基础上研究开发的,多头小直径深层搅拌桩防渗墙的施工厚度为8cm~45cm,目前最大施工深度为18m。
短句来源
     When it penetrates and leaks between steel pipe through dyke and concrete foundation,the treating methods are drilling hole on the shell of steel pipe,welding short little diameter steel pipes,finding the channel where it penetrates and leaks by pouring water into pipes in subsection under pressure,and grouting and clogging the channel under pressure.
     钢制穿堤管与混凝土管基座之间发生渗漏时,可通过在钢管壁上钻孔,焊接小直径短钢管,采取分段加压注水的方法找出渗水通道,并采用压力注浆堵塞通道的方法加以治理。
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  “little diameter”译为未确定词的双语例句
     A Study of the many rollers cold rolling Technology of the middle and little diameter thin-wall Pipes
     中小口径薄壁管材多辊冷轧工艺研究
短句来源
     The results show that Mn-Zn ferrite with cubic spinel structure can be synthesized at calcined temperature of 650℃ for 2h when the molar radio of the total concentrations of metal ions to citric acid is 1∶1 and the solution with pH value 5.0.The as-products show sphere structure with uniformity and little diameter.
     研究表明:制备Mn-Zn铁氧体的适宜条件为:金属离子和柠檬酸的比例为1∶1(mol),pH=5.0,干凝胶煅烧时间为2h,煅烧温度为650℃; 所得产物基本为球形,具有粒径小,分散均匀的特点。
短句来源
     Method Distal axon was assessed by quantitavtive and qualitative analysis of pathology Result Light microscope indicated the density of large diameter of peroneal- nerve was higher in study group compared with control group(P<0.01). No differences in density of little diameter fiber were found between study and control group.
     方法采用病理学定性、定量分析技术对捻挫损伤的坐骨神经远端轴突进行分析。 结果光镜下腓神经的大径纤维密度,实验组高于对照组 (P< 0.01),而小径纤维密度无差异。
短句来源
     its diameter class is in the little diameter ranges,and between 0.00-0. 15cm of bamboo's basic diameter;
     冷箭竹更新幼龄无性系种群为一增长种群; 径级处于小径阶区域,主要位于0.00-0.15cm之间;
短句来源
     Because of too high dense forest stands, crown-stem ratio of Pinus tabulaeformis is high, the sparsity degree is intensive in nature. Meanwhile, shrivel rate of forest trees reaches 32.7%, of which the trees with little diameter are 86.3%; dead trees attacked by diseases and insects are 29.4%;
     由于林分密度过大,油松形状比值偏高,林木自然稀疏强烈,枯损率达32.7%,其中小径木占86.3%,病虫害感染枯死木占29.4%。
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  相似匹配句对
     The diameter of plasmodesmata became little wider.
     胞间连丝的直径略有增加。
短句来源
     Application about the Hob of Little Diameter
     小直径滚刀的应用特点
短句来源
     Little Things
     小小物品
短句来源
     Little Mary
     小玛丽
短句来源
     and the fruit diameter, T.
     果实直径、T.
短句来源
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One hundred and thirty-three cases of senile femoral-neck fracture were treated with artificial femoral head replacement. 9 of them had early prosthetic dislocation. In order to decrease the incidence of dislocation and improve the therapeuic effects, the causes of dislocation were analysed according to the occurring course of the dislocation and the findings in second surgical reduction.Through the analyses, it was considered that the main reasons for early postoperative prosthetic dislocation included: (1)too...

One hundred and thirty-three cases of senile femoral-neck fracture were treated with artificial femoral head replacement. 9 of them had early prosthetic dislocation. In order to decrease the incidence of dislocation and improve the therapeuic effects, the causes of dislocation were analysed according to the occurring course of the dislocation and the findings in second surgical reduction.Through the analyses, it was considered that the main reasons for early postoperative prosthetic dislocation included: (1)too little size of prosthesis including too little diameter of prosthetic head and too short neck; (2)too great or too little anteversion angle after prosthetic replacement (>25°or <0°); (3)unstable suture of the soft tissues around the hip; (4)unreasonable postoperative moving and so on. In view of the above reasons,the authors raised the coresponding preventive measures.

采用人工股骨头置换术治疗老年股骨颈分析133例,其中发生早期假体脱位9例。为减少脱位的发生,提高临床疗效,根据其脱位发生经过及再次手术复位时所见,对其脱位原因进行了分析。认为术后早期假体脱位主要原因为:①假体规格过小,包括头的直径过小及假体颈过短。②假体置入后前倾角过大或过小(>25°或<0°).③髋关节周围欲组织缝合不牢。④术后不适当的搬运等。针对以上原因分别提出相应的预防措施。

This paper takes No. 2 copper. austenitic stainless steel and No. 20 carbon steel pipe as example to introduce the technology of cold roll forming of middle and little diameter metal pipes and some solvetion to some questions in production.

本文以二号紫铜(T2)、奥氏体不锈钢(1Cr18Ni9Ti)、20号碳钢管为例,介绍了中小口径薄壁管的冷轧加工成形的工艺及生产出现的有关问题。

Based on the momentum conservation equation of water in the riser and the balance equation of water force acted on both sides of the header, and on the supposition that the riser is heated evenly along the height, a method to determine the massflow rate of a simple circuit in the natural circulation hotwater boiler is given in either case of the water temperature in the downcomer's inlet being known or not. The method is used by assuming the three temperature sets of the riser's inlet and outlet, and by...

Based on the momentum conservation equation of water in the riser and the balance equation of water force acted on both sides of the header, and on the supposition that the riser is heated evenly along the height, a method to determine the massflow rate of a simple circuit in the natural circulation hotwater boiler is given in either case of the water temperature in the downcomer's inlet being known or not. The method is used by assuming the three temperature sets of the riser's inlet and outlet, and by calculating the downcomer's flow resistance and the effective head in a simple circuit separately. So, the working point of circulation circuit is determined easily. Moreover, the influences of the height of circuit and the diameter of riser and downcomer to the massflow rate are analysed. It is concluded that big diameter downcomer, little diameter riser and suitable height of circuit should be adopted in designing hotwater boilers.

为便于求出自然循环热水锅炉简单回路中工质的质量流速,假定上升管沿高度受热均匀.基于简单回路中上升管内工质的动量守恒方程和下集箱两侧的作用力平衡方程,假定三组上升管进出口工质温度并分别计算出下降管阻力和简单回路有效压头,得出了简单回路中下降管工质进口水温已知和未知时质量流速的一种确定方法,以便循环回路工作点的确定.同时分析了循环回路高度、下降管直径、上升管直径对质量流速的影响,热水锅炉设计中应尽量采用小直径上升管、大直径下降管并选取合适的循环回路高度.

 
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