螺纹方向 thread hand(0)   “螺纹方向”译为未确定词的双语例句      When axial stress (a) > 550MPa.      当轴向应力σ＞550MPa时，螺栓屈服区应力几乎不增加，而是由过渡圆角沿轴向向螺纹方向扩展。 短句来源      In the present paper an attempt has been made to clarify the effect of the hand of screw thread (right- or left-hand) of the feeding screw on the distribution of power flow during forward and backward operations of a differential screwing me-chanism in rotary drills.      本文阐明采用差动螺旋推进机构的旋转式钻机,在前进钻孔与后退扩孔时,差动螺旋的螺纹方向(左或右)对钻机功率流的影响. 短句来源   相似匹配句对      Direction      方向 短句来源      Orientation of Design      设计的方向 短句来源      Thread Milling      螺纹铣削 短句来源      Creation of three dimensional model of the body with screw-thread      螺纹的三维建模 短句来源 查询“螺纹方向”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   thread hand We rewrote some of the router to avoid thread hand-offs and eliminate almost all calls to the scheduler. 例句来源                In the present paper an attempt has been made to clarify the effect of the hand of screw thread (right- or left-hand) of the feeding screw on the distribution of power flow during forward and backward operations of a differential screwing me-chanism in rotary drills. The functional relationship between the efficiency of the drills and the speed ratio of screw pairs has also been studied.The following results have been proved analytically and graphically by the author: 1.The mechanism with right-hand screw d...             本文阐明采用差动螺旋推进机构的旋转式钻机,在前进钻孔与后退扩孔时,差动螺旋的螺纹方向(左或右)对钻机功率流的影响.此外,对于丝杠螺母角速比跟钻机效率之间的关系也作了分析. 本文用分析法得出如下结果: 1.右螺纹丝杠在前进钻孔时将产生涡流功率,此时如采用左螺纹,则一般无此现象,即使有的话,也较右螺纹时的涡流功率小得多. 2.左螺纹丝杠在后退扩孔时将产生涡流功率,此时如采用右螺纹,则一般无此现象,即使有的话,也较左螺纹时的涡流功率小得多. 3.右螺纹丝杠,后退扩孔或左螺纹丝杠前进钻孔时,出现涡流功率的条件是 M螺纹.然后用本文推导的效率公式选用合理的丝杠螺母角速比,便可得到较高的效率. 2.如果所设... 文摘来源          The main part of a Labyrinth Screw pump and seal is composed of both threads on the axle and the sleeve, which intersect at an oblique angle. An unit element surrounded by the two sets of threads has been taken as an isolated calculating area. Based on the N-S equation and the continuity equation, the centrifugal force and curvature effect have been neglected. Due to the periodical property along z-direction, it is reasonable to neglect the terms(d/dz)in the equations on the entrance and the middle cross se...             对迷宫螺旋体内的流动提出了若干假定;建立了流动模型;简化了Navior-Stokes方程和连续方程。选用轴及套筒上两组斜交螺纹所围成的蜂窝状空间作为计算区。在计算区内截取两组沿螺纹方向的斜交截面,采用涡量流函数法求出截面上的平面流动解。根据两组截面交线上速度唯一的条件,用一组平面解的已知速度作为给定数据输给另一组平面求出其平面解。如此将两组平面解交替迭代,最后得到的收敛值即该区的空间流动解。将所有蜂窝体内的压力和流量综合起来,就得到迷宫螺旋体的泵特性和密封特性。 文摘来源       相关查询: (方向 方向 螺纹 螺纹盖 体育方向 螺纹髋臼 平坦方向 决策方向 方向序列 爆破方向 屈曲方向 铣削螺纹  对查询结果不满意

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