The hoisting device serving the main shaft of Yinying Mine is not able to meet the need of production,so it is necessary to make reform for the main belt conveying equipment of the hoisting.是什么意思_The hoisting device serving the main shaft of Yinying Mine is not able to meet the need of production,so it is necessary to make reform for the main belt conveying equipment of the hoisting.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句