读音:英 [] 美[]
[机]法兰螺栓;凸缘螺栓
flange n. (机械等的)凸缘,(火车的)轮缘
bolted v. 闩上( bolt的过去式和过去分词 );冲出去;逃跑;又作(bolt down) 狼吞虎咽