stud bolt螺: spiral shell; snail; conch桩: pile; pole; stake无: not have; there is not; be w ...头: 5点就得动身 have to start before ...螺栓: bolt; screw bolt; threaded b ...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:螺桩,无头螺栓，即可在微信中查询翻译
