Based on the mechanics of wave, the expression of water wave propagation velocity under the action of gravity is deduced and the effect of surface tension on small wave is analyzed.

本文根据波动理论推导出在重力作用下波的传播速度表达式，分析了微小波动中表面张力的作用。

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The surface wave of wire rope and the metal core of rope to be free to other place is due to molding rate too high, bigger fluctuation, uneven strand tension forces and cl…

钢丝绳表面浪形和金属绳芯外逃是由于成型率过高、波动偏大，各股捻制张力不均匀和顺向捻制不到位。

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