【判断题】火花塞的作用是将高压电引进发动机燃烧室,在电极间形成火花,以点燃可燃混合气。
【简答题】当设计和工艺文件无规定时,构件组装间隙不宜大于( )
【单选题】构件组装间隙应符合设计和工艺文件要求,当设计和工艺文件无规定时,组装间隙不宜大于( )mm。
【单选题】构件组装间院应符合设计和工艺文件要求,当设计和工艺文件无规定时,组装间隙不宜大于( )mm。
【单选题】( )的作用是将高压电引进发动机燃烧室 , 在电极间形成火花 , 以点燃可燃混合气。
【单选题】构件组装间隙应符合设计和工艺文件要求,当设计和工艺无规定时,组装间隙不宜大于 ( )mm
【单选题】听力原文:M: The newspaper says that it'll be raining today. What do you think? W: I don't believe it. Look, the sun's shining. Q: What does the woman mean? (19)
A.
The weather is changeable.
B.
The weather forecast is unreliable.
C.
It will rain very soon.
D.
She hasn't read the newspaper.