常見(jiàn)例句雙語(yǔ)例句If mechanical seal is used, adjust the stud on the gland to ensure no leak with it.使用機(jī)械密封時(shí)，應(yīng)調(diào)整機(jī)封壓蓋螺柱，使其無(wú)泄漏。www.china-pump.org 返回 gland stud