当探测器、备用电源、模块等发生故障时，控制器应在()s内发出故障信号。
A、60
B、100
C、120
D、180
参考答案：B
弯曲菌属细菌的抵抗力如何?
The Development of Project Management Plan Process includes the actions necessary to define, prepare, integrate, and coordinate all constituent plans into a（）
A.roject Scope Statement
B.Project Management Plan
C.Forecasts
D.Project Charter
