“jack screw”的概念、定义、翻译、参考文献-科学参考

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单词	jack screw
释义	jack screw 螺旋起重机千斤顶螺杆千斤顶螺丝
随便看	variable-size character variable-size item variable-size node variable-slope pulse modulation variables of perceived color variable space variable specific heat variable speech control (VSC) variable speed variable-speed axle generator variable-speed blower variable speed box variable speed chopper variable-speed chopper variable-speed chopper blade variable-speed chopper disk variable-speed cone variable speed control variable-speed drive(VSD) variable-speed electric submersible pump variable-speed engine variable-speed fluid drive variable-speed gear variable-speed generator variable-speed hydraulic governor