adjusting boltset bolt蝶: butterfly螺栓: bolt; screw bolt; threaded b ...蝶螺钉: adjusting screw蝶螺母: adjusting nut蝶螺丝: adjusting screw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:蝶螺栓，即可在微信中查询翻译
