After picking with coal pick, 85% of the coal wil be crushed to 50mm size.
用挖煤镐铲出后，85%的煤会被粉碎成50毫米尺寸大小。
He had been a miner for so long, that he could intuitively locate the coal and loosen it with a single swing of a pick-axe.
他做矿工的时间太久了，以至于他可以凭直觉找到煤矿并用十字镐的一次简单回转把它敲松。
To adopt white light digital speckle correlation method, so as to observe the coal body's deformation and destruction law in pick cutting course.
采用白光数字散斑相关的方法，观测截齿截割作用下的煤体变形破坏情况。
According to the compressive strength of coal rock mass, the paper provided the calculation formula of the pick cutting force during the coal cutting operation.
根据煤岩体的抗压强度，给出了镐形截齿破煤过程中截割力的计算公式。
Good or not of mine and pick coal in our country is important to our energy supply.
我国煤炭采选业的好坏直接关系到国家能源供给的大局。
The principle of coal-rock interface recognition is to pick up the response signals of cutting force of shearer by multi-sensor and process these data to achieve state of cutting coal or rock.
煤岩界面识别的基本原理是利用多类型传感器拾取采煤机截割力响应信号并对这些信息进行分析而识别煤岩界面。
The damage styles of cast-in cutting pick and hard-solder forging cutting pick are analyzedaccording to the comparing experiment under coal mining well.
通过井下采煤对比试验，分析了镶铸截齿与锻造针焊截齿的损坏特点。
But the real pain of soaring costs for iron ore, coking coal and scrap will hit in the third quarter, when analysts see a possible slow down in restocking and end-user demand yet to pick up.
不过，铁矿石、炼焦煤和废钢成本飙升带来的切肤之痛要到第三季才能感受到，分析师多预期届时会看到用户放缓补充库存的速度，同时终端用户的需求却未见提高。
But the real pain of soaring costs for iron ore, coking coal and scrap will hit in the third quarter, when analysts see a possible slow down in restocking and end-user demand yet to pick up.
不过，铁矿石、炼焦煤和废钢成本飙升带来的切肤之痛要到第三季才能感受到，分析师多预期届时会看到用户放缓补充库存的速度，同时终端用户的需求却未见提高。
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