英语翻译Raw coal used two-stage broken system.Finally,coal with
英语翻译Raw coal used two-stage broken system.Finally,coal with
英语翻译Some of the parts of the coal shearer have been re-used
英语翻译1.If there is no oil,coal can be used instead.2.He had g
We must___oil with coal as a fuel.
captive coal
英语翻译A freight train,its dozen cars loaded with coal covered
英语翻译A coal-fired thermal power plant.Coal is conveyed (14) f
英语翻译Coal produced by Xiangshui feeds Pannan Power Station in
英语翻译Abstract Microprocessor reliability in coal mine monitor
英语翻译Coal volumes from Adani Enterprises are expected to incr
英语翻译Coal Transportation---The Face ConveyorThe armored face
英语翻译coal-accumulated basins of North China 翻译不好