当几台电机并联运行时,要求各电机的转矩特性尽量接近,而影响异步电动机特性的主要因素是()。
A、定子电阻
B、转子电阻
C、绕组电阻
D、转子电流
参考答案:B
不适用于急性暴发性疼痛的是()
A.吗啡
B.哌替啶
C.可待因
D.美沙酮
E.羟考酮
Integration ______ is the process of verifying that the components of a system work together as described in the program design an system design specification.
A.trying
B.checking
C.testing
D.coding