Deposited on the stone to strengthen the management of the environment, in the regular ventilation, dust protection on the basis of further refinement of the management measures.是什么意思_Deposited on the stone to strengthen the management of the environment, in the regular ventilation, dust protection on the basis of further refinement of the management measures.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句