使用氯气消毒,起主要消毒作用的是次氯酸,这是因为次氯酸()
A.氧化性强
B.在水中不离解
C.相对分子质量大
D.能穿透到细菌内部
参考答案:D
With Mr. Wang helping us, I do believe I can learn English well.
With still so many things ____, I cannot go on holiday with you
A dealt with B to deal with C dealing with D deal with
精益与六西格玛相似处为()
A.皆利用缺陷(减少变异)减少进而改善流程
B.焦点都是关注流程改进
C.都大量使用统计学
D.都起源于业务领域