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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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computer for analysis of complex mathematical functions
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更新时间:2026/3/25 19:55:17