Retention gear pump, motor and foot screws, screw the force should be uniform, reliable connection.
紧固齿轮泵、电动机的地脚螺钉时，螺钉受力应均匀，连接可靠。
He inflated the rubber dinghy with a foot pump.
他用脚踏泵给橡皮救生艇充气。
Others: Pipe Fitting, Pump Housing, Ski, Foot Plate, etc.
其他：管道接口、泵体外壳、滑雪板、机车脚踏板等。
Others: Pipe Fitting, Pump Housing, Ski, Foot Plate, etc.
其他：管道接口、泵体外壳、滑雪板、机车脚踏板等。
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