罐式加油车可以完成加油、抽油、()等功能。
A.调压、配平
B.混合、配平
C.循环、配平
D.循环、装油、移动泵站
参考答案:D
As the light turned green, I stood for a moment, not _________, and asked myself what I was going
to do. [ ]
A. moved
B. moving
C. to move
D. being moved
在实际生活中,我们所见的各种服务标准最常的形式是各种服务承诺。