环跳主治（）
A.腰腿痛
B.疝气
C.水肿
D.小便频数或不利、遗尿
E.带下病、月经不调
参考答案：A
-I wonder if I could possibly use your car for tonight.
-________.I'm not using it anyhow.[ ]
A．Sure, go ahead
B．I don't know
C．Yes, I indeed
D．I don't care
碳素钢、16MnR、15MnNbR、和正火15MnVR钢制压力容器在液压试验时，液体温度不得低于（）℃
