常見(jiàn)例句雙語(yǔ)例句And a limiting retaining mechanism is arranged between the outer cover and the valve cover, which achieves multiple guarding against theft.并且外罩和閥蓋之間設(shè)置有限位止退機(jī)構(gòu)，實(shí)現(xiàn)多重防盜。ip.com 返回 valve mechanism cover