用万用表寻找电缆故障点时,如果测得任意两芯线之间电阻值为零,则判定为()故障。
A.过流
B.漏电
C.接地
D.、短路
参考答案:D
Which subject is _____, physics or chemistry? [ ]
A. very interesting
B. most interesting
C. more interesting
可用滴制法制备,囊壁由明胶及增塑剂等组成的是
A.微丸B.微球C.微囊D.软胶囊E.滴丸