The fields of application are dewatering and thickening of sewage sludge in municipalities and industries, treatment of drinking water and recovery of valuable materials from production streams.是什么意思_The fields of application are dewatering and thickening of sewage sludge in municipalities and industries, treatment of drinking water and recovery of valuable materials from production streams.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句