The cutter of the coal mining machine bears dynamic load varying with time during excavating coal.
采煤机截齿截割煤体时，截齿承受随时间而变化的动载荷。
On-way distribution of dust in the full face mining was researched during the process of coal mining machine cutting coal.
研究采煤机在割煤落煤过程中，粉尘在综采工作面的沿程分布情况。
The technology of coal plough have been applied in the exploitation of medium-sized and thin coal seam through analysing and comparing the characteristic of cylinder mining machine and coal plough.
对比分析了滚筒采煤机与刨煤机的特性，并将刨煤机开采技术运用于中等及薄煤层的开采中，提高了煤炭生产效率，实现了工作面采煤的全部自动化，具有广泛的推广和应用价值。
Market analysis and economic profit forecast: the project product is the kernel device of coal mining machine with great market demand.
市场分析及经济效益预测：项目产品为采煤机的核心设备，市场需求量大，市场广阔。
Exploit in the mining machine underground used in the coal directly, it is one of the most important mechanical equipment in production on the coal.
采煤机直接用于煤炭的地下开采，是煤炭生产中最重要的机械设备之一。
The Company subordinate: Lunan Institute of Mining washing machine, coal washing machine factory, 200,000 tons coal washery two, plastic drainage pipe to the plant, oily water-based paint factory.
本公司下属：鲁南矿山洗选机械研究所、洗煤机械厂、20万吨洗煤厂两座、塑料给排水管材厂、油性水性涂料厂。
And the cement sector, the coal mining sector and the machine tool sector are listed as the bottom three.
而水泥行业，煤炭采矿业和机床行业被列为是底部的三个。
And the cement sector, the coal mining sector and the machine tool sector are listed as the bottom three.
而水泥行业，煤炭采矿业和机床行业被列为是底部的三个。
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