风机不转、风机反转会造成那种告警().
A.高压告警
B.低压告警
C.湿度报警
D.失风报警
参考答案:D
— do you like pandas?
— _ they're very cute. [ ]
A. What, because
B. Why, because
C. When, how
D. When, Because
操作高压设备时必须由两人执行,其中一人对设备较为熟悉者作()。