diamond compact bit金刚石: diamond; adamas; carbite; ad ...复合: compound; complex; composite ...片: a flat,thin piece; slice; fl ...钻头: boring crown; bore bit; dril ...聚晶金刚石复合片钻头: pdc bit; polycrystalline diamond compact 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:金刚石复合片钻头，即可在微信中查询翻译
