英语翻译Coal Transportation---The Face ConveyorThe armored face chain conveyor has a large carrying capacity.It is structurally very strong,bendable like a snake,and low in body height.①It serves not only as a guide rail for the shearer or the

英语翻译coal-accumulated basins of North China 翻译不好 英语翻译Raw coal used two-stage broken system.Finally,coal with qualified grain size enters into large coal bucket of stokehold 英语翻译1.“Coal” means legal steaming coal produced for the Seller from South Kalimantan area,Indones2.“Coal” means legal steaming coal produced for the Seller from South Kalimantan area,Indones captive coal coal charcoal Coal Steam RECTANGULAR COAL 矿业方面的英语翻译. a lower level of confidece for coal yield. 这个是什么意思? 英语翻译The effects of roasting ,mass ratio of H2SO4 to stone coal ,leaching temperature ,liquid to solid ratio ,grinding fineness of stone coal ,and two stage counter current leaching coal reach 65.1% at the mass ratio of H2SO4 to stone coal of 英语翻译我查了一个是Coal Warmming Furnace，那个好呢 着个机器比较大 英语翻译They won't be able to find people to work down coal mines in the future.里面这个work 英语翻译A study in West Virginia in 2009 also found the coal industry a net cost to the state. Regarding Drawings of Coal Nut-size coal coal-fired power coal是什么?它是什么? coal sizer是什么东西? dirty coal是什么意思