Lots of HCl gas was produced when polyvinyl chloride (PVC) was dechlorinated, and HCl possesses strong corrosivity.是什么意思_Lots of HCl gas was produced when polyvinyl chloride (PVC) was dechlorinated, and HCl possesses strong corrosivity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句