quare thread screw pump的意思|示意

美 / / 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 ...