The potassium chromate method is one regular method to determine COD.重铬酸钾法是测定化学需氧量的常规方法.It's a two - component, chromate free, epoxy polyamide adduct shop primer especially designed.是一种不含铬的双组份环氧聚酰胺加成物的车间底漆.Two - sta...
When the judge summed up, it was clear he wanted a guilty verdict...当法官作结案陈词时，他明显想作出有罪裁决。One voter in Brasilia summed up the mood — "Politicians have lost credibility," he complained.一位巴西利亚的选民将人们的心情一言概之——“政客们已无信誉可言”，他抱怨道...