常見例句雙語例句And here's the new and improved crucible with lifting hook in action.和這里的行動與解除掛鉤新的和改進(jìn)的熔爐。www.tech-domain.comPay attention to the speed and the position of the lifting jib and the lifting hook so as to avoid accidents.操作時(shí),吊臂下嚴(yán)禁站人。應(yīng)注意吊臂和吊鉤的速度和位置,避免發(fā)生事故。This paper introduces a kind of automatic lifting hook which is used to raise things with circular sections and fixed diameters. It can catch and release things automatically.介紹了一種用于定直徑圓斷面重物起吊的自動抓捕吊鉤,若需要長期連續(xù)起吊圓斷面定直徑物件時(shí),可以實(shí)現(xiàn)起吊過程的自動抓捕和釋放。 返回 lifting hook