潜油电机定、转子之间的间隙称为潜油电机的气隙，这个气隙是很小的，一般在（）mm左右。
A.1
B.2
C.5
D.10
参考答案：B
纤维蛋白样变性
. A party was given in the hall _______ the guests from France.
A．in favor of
B．in need of
C．in search of
D．in honor of
