cutter head截: cut; sever煤: coal机头: handpiece; nose; nosing部: part; section; division; reg ...截煤机: [矿物学] coalcutter; cutter 滚筒式截煤机 drum cutter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:截煤机头部,即可在微信中查询翻译