【判断题】使用万用表电流档测量电流时,应将万用表并联在被测电路中,因为只有并联才能使流过电流表的电流与被测支路电流相同。( )
【单选题】在气压的年变化中,北半球大陆和海洋上最低气压分别出现在:
【单选题】在气压的年变化中,北半球大陆和海洋上最高气压分别出现在()。
【单选题】There is age limit for adult education.
【单选题】There is()age limit for adult education.
【判断题】The bonnet provides a housing for the gate or discwhen it is lifted out of the process flow. It is attached to the body permanently by threading or bolts or temporarily by welding.