下列细菌中，引起菌痢症状最轻的是（） ["痢疾志贺氏菌","福氏志贺氏菌","鲍氏志加氏菌","宋内氏志贺氏菌","以上都不对"]
闸调器防脱螺钉的组装扭紧力矩须大于或等于（）。 ["50N·m","looN·m","150N·m","200N·m"]
下列情况下，（）可进行液化石油气钢瓶的充装。 ["钢瓶内无剩余压力","经充装站维修保养合格","用户涂敷漆色","无法判定瓶内介质种类"]
Consider the following table called EMPLOYEES: ID FIRSTNAME LASTNAME JOB LEVEL CLERK 3 If the following SQL statement is executed, how many rows will be deleted? DELETE FROM employees WHERE 1 = 1（） ["0","1","3","6"]
在建筑物的评估中，适合于价格指数调整法的评估对象是（）。 ["大型建筑物","价格较高的建筑物","账面成本不实的建筑物","单位价值小、结构简单的建筑物"]
请任意写出变流系统中的6种故障名称。
