风机故障的现象是什么?
参考答案:风机电流表指针摆动过大;风机轴承温度超高;风机处有冲击或摩擦等不正常响声;风机风量不足、风压不足;风机振动、串轴过大。
—Is he Li Ping?
—Yes, ______.[ ]
A. I'm
B. he's
C. he is
天天酷跑中糖白虎要多少钻石购买?()
A.980
B.1080
C.1280
D.1288