| 释义 |
safety bolt 【土木工程】保险螺栓 以上来源于：《21世纪大英汉词典》 safety bolt/ˈseɪftɪ bəʊlt/n.保险螺栓；保险门闩；保险锁详细释义源自:《新世纪英汉大词典》Collins外研社 n保险螺栓；保险门闩；保险锁英英释义n.a bolt that cannot be moved from outside the door or gate同反义词同义词：safety locksafety bolt安全螺栓；防松螺栓safety bolt保险螺栓safety bo |