Analysis on the Mechanism of the Crack and Subsidence Occurred in the Foundation of the Engine Room for the Xifeng Shaft in Wushan Copper Mine是什么意思_Analysis on the Mechanism of the Crack and Subsidence Occurred in the Foundation of the Engine Room for the Xifeng Shaft in Wushan Copper Mine在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句