压缩机润滑油压低，形成油膜薄，缓冲作用减少。
参考答案：对
The suggestion of the meeting __________was not adopted by the chairman, so the meeting would be held on time.
A．to put off
B．putting off
C．put off
D．being put off
武警部队装备有警灯警报的车辆，在非执行紧急任务时，不得使用警灯警报装置。此种说法（）。
A．对
B．不对
