站用变的排油和注油应合理安排()、油泵等工器具放置位置并与带电设备保持足够的安全距离。
A.油罐
B.油桶
C.管路
D.滤油机
参考答案:A, B, C, D
— Do you still remember the day in the small forest?
— Sure. It was on the day _______ we celebrated your birthday.[ ]
A. when
B. on which
C. that
D. which
一桶油重150千克,卖出油的一半后,又卖出10千克,这时剩下的油和桶共重75千克,这个桶重多少千克?