lump coal的例句大全

In order to attain the certain lump coal rate, the key is reasonable picks-lacing.

因而要达到一定的块煤率, 关键是截齿的合理排列.

The paper deals with the picks-lacing, bases on analyzing the helical drum with 3 head vanes of a certain shearer, thinks that lump coal rate relates with the shape of cutting diagram closely.

本文通过对截齿排列的研究，在分析某型号采煤机三头螺旋叶片滚筒的基础上，认为滚筒截割的块煤率，与切削图的形状紧密相关。

study on inclined-trough washing technology of high ash lump coal

斜槽入选高灰块煤工艺技术的研究

May be used in iced coal or lump coal with a certain thickness.

能用于对一定厚度的冻煤或大块煤采样.

Apparently, it had taken out a lump coal to examine.

显然, 它拿走了一块煤去检验.

Technical study on millisecond Blasting technology to increase lump coal rate

微差爆破提高块煤率的技术研究

To attain the satisfied lump coal rate, the key is reasonable picks-lacing.

要达到满意的块煤率, 关键是合理的截齿排列.

Some plants have successfully revamped fixed-lump coal gasifier into shaped-coal gasifier and benefits a lot.

用型煤气化炉来气化型煤已经在一些厂获得成功,取得了较好的经济效益.

It is important in the production of coal mine that preparation of gangue from lump coal.

矸石分选是煤矿生产的重要环节,即在煤块中将矸石挑选出来.

lump cokes obtained from petroleum ( lh) and coal based products ( sn) were examined by the reflected polarized light microscope.

通过偏光显微镜观察了石油系油浆（LH）与煤系闪蒸油（SN）焦化后所得焦块的光学结构。

furthermore characteristics of coal dust exposure, including total moisture content, free moisture content, inherent moisture content, relationships between the degree of coal carbonization and the wettability and the moisture saturation of coal lump and coal powder are studied in detail.

对煤炭本身的起尘特性，包括全水分含量、内水分含量和外水分含量，煤炭的煤化程度与润湿性关系以及煤块和煤粉的饱和水分含量特性，分别进行了详细深入的试验研究。

Few works has been mentioned for soot formation derived from lump-coal combustion in stoker-fired boiler.

研究层燃炉煤燃烧的碳黑形成机理,对减少污染物排放和提高燃烧效率有重要意义.