简述单叠绕组的性质。
参考答案：
①并联支路数=极数；
②电枢电势=支路电势；
③电枢电流=各支路电流之和；
④电刷组数=极数。
.
Six players can _____ a volleyball team while a football team is ______ eleven players.
A．make up; made up
B．make up of; made up
C．make up; made up of
D．make up of; made up of
堆放物资时与110kV带电体的最小距离不小于（）。
A.3m
B.4m
C.5m
D.6m
