English translation for "三下采煤"

three unders in coal mining
threeundersincoalmining

Related Translations:

采煤:  excavate coal; coal mining; coal extraction; coal cutting 短语和例子从矿层中采煤 extract coal from seams

采煤机械:  coal machinery

采煤样:  coal sampling

海底采煤:  undersea mining

采煤业:  mining

采煤回收率:  coal recovery

遥控采煤:  pushbutton coal mining

采煤工人:  hewer

采煤工作:  work at the coalfacee

采煤区:  district in which coal is mined

Similar Words：

"三侠系列" English translation, "三侠之红拂女" English translation, "三下" English translation, "三下胺" English translation, "三下标符号" English translation, "三下基" English translation, "三下基氯化硅" English translation, "三下五除二" English translation, "三下乡" English translation, "三下钟声" English translation