hard-alloy bit硬: hard; stiff; tough合金: alloy钻头: boring crown; bore bit; dril ...碳化钨硬合金钻头: tungsten carbide boring bit硬合金钻头翻转: hard metal bit ti ing; hard metal bit tipping; hardmetalbitti ing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:硬合金钻头，即可在微信中查询翻译
