短語詞組短語cleaning of plant 設備清洗Cleaning Equipment Plant 清洗設備廠electrolytic acid cleaning refining plant 電解精鍊車間coal cleaning plant 洗煤廠barrel -cleaning plant 洗桶裝置dry cleaning plant manager 乾洗廠經理cleaning g vacuum plant 真空吸塵裝置water cleaning plant 淨水廠cleaning plant in mine 鑛山選廠 返回 cleaning plant