drill pressure钻头: boring crown; bore bit; dril ...负载: load钻头负荷: bit weight; load on bit钻头负荷调节: adjustment of bit load磁头负荷: head loading force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:钻头负载，即可在微信中查询翻译
