加油车金属管路中任意两点间的电阻值应不大于10Ω。
参考答案:对
"When were you born?" "I was born on _______."[ ]
A. June 1st, 1997
B. 1997, June 1st
C. June, 1997 1st
D. 1st, 1997 June
卵磷脂小体减少常见于
A. * * 球腺炎
B.前列腺炎
C.附睾炎
D. * * 旁腺炎
E.精囊炎