... 双动桩锤 Hammer double acting pile 桩锤冲程 hammer stroke 复动桩锤 double acting pile hammer ...
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hammer-stroke slag crusher 锤击碎渣机
hydraulic hammer stroke range 液压锤行程范围
dead-stroke hammer 不反跳弹簧锤
dead-stroke ĥ hammer 不反跳弹簧锤
dead-stroke ĕ hammer 不反跳弹簧锤
dead-stroke E hammer 不反跳弹簧锤
Crack size, hammer stroke frequency and rotary speed influence the drilling string fatigue life involve, in which the crack size and stroke frequency were two major factors.
影响钻柱疲劳寿命的因素包括钻柱裂纹尺寸、空气锤冲击频率、转盘转速等，而空气锤冲击频率与裂纹尺寸是影响钻柱疲劳寿命的两大主要因素。
The theory and test proved that the impacting frequency of hydraulic rammer can be adjusted by pipe hammer stroke. The influences of stroke on characteristics of hammer are discussed.
通过理论和实验证明改变液压夯管锤的冲击能和冲击频率，比较简单而经济的方法是调节液压夯管锤的行程，并讨论了改变行程对液压夯管锤的性能有哪些影响。
They thought the moment of their deliverance was come, but no stroke of the hammer was heard, no stone fell out of the wall, and it seemed to Maid Maleen that her father had forgotten her.
他们认为他们解脱的时刻到了，但没有听到中风的锤子，没有石头落了的墙上，它似乎少女玛琳，她的父亲已经忘记了她。
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