quare thread screw pump的意思|示意
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英 / /
方螺纹螺杆泵
quare thread screw pump的网络常见释义
矩形螺杆泵 ... 救助泵; alvage pump 矩形螺杆泵; quare thread screw pump 开式旋涡泵; vortex pump with open impeller ...