restricted bit眼: eye钻头: boring crown; bore bit; dril ...下水眼钻头: bit with extended nozzles钻头水眼: bit port; watercourse开眼钻头: hole opener; opening bit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:小水眼钻头，即可在微信中查询翻译
