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safety depth
相关语句
  安全深度
     Study on the Ground Rock Movement,Safety Pillar and Safety Depth in Deep Mining
     深部开采地表岩移、保安矿柱与安全深度研究
短句来源
     Re-delimitation of protective pillars of shaft according to safety depth theory in Hongtoushan Copper Mine turns millions of ton of unminable ores in the original safety pillar of main shaft into workable reserve.
     红透山铜矿用安全深度理论重新划定竖井保安矿柱,使原用传统方法圈定的主井保安矿柱内的数百万吨积压矿量变为可采矿量。
短句来源
  “safety depth”译为未确定词的双语例句
     in shallow water table area, groundwater is strong mineralized salt water which can not be used, depend on effective irrigation way to control groundwater level in safety depth(the 3 ms is or so), the salinity in soil cultivation layer is desalted 2m below ground level, this way can reduce fresh water which use desalting, it can reduce evaporation of dive, prevent soil salinization, not threatens the irrigation area and its periphery
     在地下水浅埋、地下水为高矿化度咸水无法利用的区域,通过灌溉措施把地下水位控制在较安全的位置(3m左右),把土壤耕作层内的盐分淋洗到2m以下的土层中,能够减少排盐所需的
短句来源
     Because the crossing section of pipeline in engineering of long transpoetation can't be buried so deep as to rearch ist safety depth by some reasons, an auxiliary measure by planting column to firm the pipeline crossing river was taken.
     在长输管道河流穿越工程中,因各种原因造成穿越管段埋深达不到安全位置,为此采取植桩稳固管道的辅助措施。
短句来源
     According to the structure importance,damage consequence,repair readability,service requirements and relevant overseas stipulations related to various types of ditches,the designed repetition period of rainfall and proposed safety depth values for ground drainage facilities within road margin were proposed.
     根据各类沟渠的结构重要性、损坏后果、修复可易性、使用要求以及国外的相关规定,提出了路界表面排水设施的设计降雨重现期和安全高度建议值。
短句来源
  相似匹配句对
     safety.
     ·安全方面。
短句来源
     and safety.
     安全性指标。
短句来源
     Research on Safety Exploiting Depth of Underground Resources
     地下资源安全开采深度的研究
短句来源
     Pavement Rutting Depth Related to Vehicle Travel Safety
     沥青路面的车辙深度与行车安全性
短句来源
     Speed and depth;
     速度和深度;
短句来源
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Because the crossing section of pipeline in engineering of long transpoetation can't be buried so deep as to rearch ist safety depth by some reasons, an auxiliary measure by planting column to firm the pipeline crossing river was taken. This paper describes the whole process of plating column, to firm pipeline parameters calculation and construction method. After revified by practice, this method has advantages of saving labour work, materials and time. It provides a reference for special engineering.

在长输管道河流穿越工程中,因各种原因造成穿越管段埋深达不到安全位置,为此采取植桩稳固管道的辅助措施。文中叙述了植桩稳固管道施工的全过程、参数计算及施工方法。经实践论证,这种方法具有节省人力、物力、时间的优点,可供特殊工程借鉴。

Re-delimitation of protective pillars of shaft according to safety depth theory in Hongtoushan Copper Mine turns millions of ton of unminable ores in the original safety pillar of main shaft into workable reserve.

红透山铜矿用安全深度理论重新划定竖井保安矿柱,使原用传统方法圈定的主井保安矿柱内的数百万吨积压矿量变为可采矿量。

Sprinkler irrigation is mostly liked to use a method and there is a great potentiality in developing groundwater in Tarim Basin.A new thought about the control of salinisation under the condition of water saving irrigation has been put forwards.Preliminary measures for development of solonchak land were worked out according to the fields of salt content.The effect of desalinization with sprinkler irrigation suggests that soil texture have an obvious influence on desalting.It is necessary for us further to study...

Sprinkler irrigation is mostly liked to use a method and there is a great potentiality in developing groundwater in Tarim Basin.A new thought about the control of salinisation under the condition of water saving irrigation has been put forwards.Preliminary measures for development of solonchak land were worked out according to the fields of salt content.The effect of desalinization with sprinkler irrigation suggests that soil texture have an obvious influence on desalting.It is necessary for us further to study water-salt dynamics under the condition of water saving irrigation,confirm safety depth of salt leaching and seek the measures of control to different salt contents and types.

目前塔里木盆地水资源利用效率低且浪费大,这不仅造成了河流下游土地沙漠化加剧,而且农田排水还使河流水质盐化加重。采用节水灌溉—喷灌方式进行盐渍化的治理,其思路是通过喷灌的淋洗作用,利用喷灌用水量少的优势,把盐分淋溶到剖面下部,而不是排出灌区。这一方式实现了节水、盐渍化治理和环境保护的统一,它是干旱地区农业发展的方向。

 
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