【单选题】在接触器自锁控制线路中,实现短路保护的电器是
【单选题】具有过载保护的接触器自锁在控制线路中,实现短路保护的电器是( )。
【单选题】在接触器自锁控制线路中,实现短路保护的电器是( )。
【单选题】为防止雨水污染外墙墙身,应采取的构造措施称为( )
【单选题】在具有过载保护的接触器自锁正转控制线路中,实现短路保护的电器是 。
【单选题】What is the relationship of paragraph 4 and 5 to paragraph 3?
A.
Evidence is demonstrated in paragraph 4 and 5 so as to refute the statement made in paragraph 3.
B.
In paragraph 3 a generalization is made and then elaborated in paragraph 4 and 5.
C.
Proofs are rendered in paragraph 4 and 5 in order to negate the twin arguments in paragraph 3.
D.
In paragraph 3 a conclusion is made and then overruled in paragraph 4 and 5.
【简答题】在具有过载保护的接触器自锁控制线路中,实现短路保护的是 , 实现过载保护的电器是 __________ 。
【单选题】为防止雨水污染外墙墙身,应采取的构造措施为( )
【多选题】下列各项对《通则》中FAS术语描述正确的是( )
【多选题】下列各项对《通则》中FAS术语描述正确的有( )。