locking lug凸: bulge; protrude块: piece; lump; chunk锁上: absperrt; key; lock up; locked up; locked-up; lockup凸块: cam; lug把…锁上: lock 1下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:锁上凸块,即可在微信中查询翻译