菌种衰退的现象有() ["菌落形态改变","细胞形态改变","生产能力下降","以上都是"]
()由酸洗线的泵供应到ARP。 ["脱盐水","废酸","漂洗水","生活水"]
以下哪种方法适于衰退菌种的复壮() ["纯种分离","低温冷藏","采用有效的保藏方法","无菌操作"]
以下哪些有权机关可以查询、冻结和扣划个人存款账户() ["法院","公安机关","税务机关","海关"]
文丘里废气洗涤塔用脱盐水主要除去() ["HCL","Cl2<\/sub>","Fe2<\/sub>O3<\/sub>","粉尘"]
《供电营业规则》规定:在什么情形下,须经批准方可中止供电?