常見例句雙語(yǔ)例句Pump Features Cancellation of the pump mechanical seal, pump mechanical seals eliminate the inevitable run, run, drip, drain the drawbacks, there is no leakage of the plant the best choice.泵的特點(diǎn)取消了泵的機(jī)械密封，完全消除開機(jī)械密封離心泵不可避免的跑、冒、滴、漏之弊病，是無(wú)泄漏工場(chǎng)的最佳選擇。 返回 seal drain leakage