[矿业]?采煤
... coal byproducts 煤矿副产品 coal cutting 采煤; 采煤 coal extraction 采煤; 采煤 ...
?采煤机
... coal recovery; 采煤机 getter; getter-loader; shearer; coal-winning machine; coal cutting; coal mining combine; 采煤机械 {矿} coal-cutting machinery; ..
截煤机
挖煤镐
矿业 采煤滚筒
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。