Dust Suppression Technique with Automatic Water Spray for Hydraulic Powered Supported in High-output and Efficient Fully Mechanized Face是什么意思_Dust Suppression Technique with Automatic Water Spray for Hydraulic Powered Supported in High-output and Efficient Fully Mechanized Face在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句