英语词汇“screw pump, spiral pump”的翻译、意思、用法、释义-英汉汉英双解词典

单词	screw pump, spiral pump
释义	screw pump, spiral pump 螺杆式水泵；利用螺杆转子副旋转时与泵体内表面形成的移动接触面密封面；沿轴向将螺杆副螺旋空间中的液体压出的机械。
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