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General bituminous coal mining; Motor freight. 一般烟煤开采；汽车货运。
What can we do with the bituminous coal? 这些烟煤可以用来做什么？
Approach on interelation on bituminous coal cohere index in Jixian Coal Mine 烟煤粘结指数相互关系初探
They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
Of or relating to bituminous coal. 烟煤的烟煤的或与烟煤有关的
Bituminous coal processing a lot of in-depth study. 对煤沥青加工方面有很多的深入研究。
That coal mine is no longer worked. 那个煤矿已经不经营了。
A bituminous coal that burns brightly with much smoke. 烛煤一种能充分燃烧同时产生大量烟的烟煤
A maximum of 650 KBTU/SQ FT/HR should be used for bituminous coal. 使用生煤时，上限是650 KBTU/SQ FT/HR。
bituminous coal mine 烟煤矿
Hard asphalt mixture could be designed by Marshall design method . which desigh flow and criterion are the same as the general bituminous mixture. 标准马歇尔设计方法适用于硬质沥青混合料配合比设计，其配合比的设计流程及其相应的技术标准与普通基质沥青混合料无显著差别。
Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
A dull dark-gray, brittle, porous type of bituminous coal resembling charcoal. 煤一种似的深灰色、无光泽、易碎的多孔美烟煤。
The landscape was destroyed by coal mining. 自然景观由于挖煤而受到了破坏。
There is a coal mine near my home town. 我的家乡附近有一个煤矿。
Jiamusi Coal Mining Machinery Co. 和佳木斯煤矿机械有限公司。
XUZHOU COAL MINING GROUP CO., LTD. 江苏徐州矿务集团有限公司。
A coal mining boom has swept across north China. 煤炭行业的繁荣,在华北到处可见。
TheASTM rankings for bituminous coal, sub-bituminous coal, or lignite fit the spreader combustion process well. 美中试验材料协会根据煤在燃烧时的性能把煤分为烟煤，次烟煤，褐煤几个等级。