Calciferous salt is ideal coagulants which decrease the electric potential.The experiment also showed a new method to treat the coal dressing wastewater by using calcium cinder carbide and PAM together.是什么意思_Calciferous salt is ideal coagulants which decrease the electric potential.The experiment also showed a new method to treat the coal dressing wastewater by using calcium cinder carbide and PAM together.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句