常見例句雙語例句Pump stop, they would first close the discharge stop valve, and switch to a complete halt until pump suction stop valve was closed.泵停車時，應(yīng)先關(guān)閉排出停止閥，竝待泵完全停轉(zhuǎn)後關(guān)閉吸入停止閥。 返回 suction stop valve