... backward spinning反旋压、反向旋压 backward tension反拉力、后张力 bacterial corrosion细菌腐蚀、微生物腐蚀 ...
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分析了合理反拉力在拉丝过程中的作用，并对如何确定和控制合理反拉力的问题进行了探讨。
The function of apt backward drawing force in wire drawing is analysed and. the problem of determining and controlling apt backward drawing force studied.
本文依据反变形设计原理，指出提高圆柱形螺旋弹簧初拉力的途径及实施办法。
This paper presents the way and practical method for improving the initial tension of cylindrical spiral springs on the basis of anti-limit deformation principles.
该锚杆回收扳手由压气驱动，在给可回收锚杆的尾部提供反扭矩的同时，还可以承受拉力。
The compressed air powered wrench is capable of providing revert-torque to retrievable bolt end and sustain drag force.
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