基尔霍夫第二定律也称作()。
A.节点电压定律
B.节点电流定律
C.回路电压定律
D.回路电流定律
参考答案:C
There is only one English-Chinese dictionary in that book-shop. I wonder if you still want to buy _______.
A.it
B.one
C.another
D.any
该病人可能发生了
A.热衰竭B.热痉挛C.热射病D.低血压休克E.日射病