coal seat earth 煤层底板
Although Mr Dlamini will not have operational oversight of the mining businesses in South Africa, which range from platinum to coal, he will have a seat on the group’s executive committee in London.
尽管Dlamini先生对于南非矿业生意(从白金到煤炭)上没有什么战略全局上的把握,但他仍将在伦敦集团执行委员会任职。
Due to the coal seam particularity in Shendong Coal Mine, cracks appear at the radial seat of Eickoff SL500 shearer.
由于神东矿区煤层的特殊性,在使用艾柯夫公司SL500型采煤机时,摇臂座出现了裂缝。
The backward-wind preventing device is arranged on the chimney exit of the coal stove, which can prevent the backward wind, and is composed of two components, a housing barrel and a seat sleeve.
该产品为安装在煤火炉的烟筒出口上,能防止倒风。它是由外罩筒和座套两个部件构成。
应用推荐