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【单选题】
【2018年】自动人行道自动停止运行时，开关断开的动作不用通过安全触点或安全电器来**成的是（）。
A.
过载
B.
踏板下陷
C.
扶手带入口保护装置动作
D.
附加制动器动作
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】根据MARPOL73/78公约的要求，下列哪些船舶的机（）舱油水分离器必须配备15PPM及其自动停止装置.
A.
400GT及以上非油轮
B.
150GT及以上油轮
C.
10000GT及以上的船舶
D.
400GT以上的油轮
【单选题】E When you are little, the whole world feels like a big playground. I was living in Conyers, Georgia, the summer it all happened. I was a second grader, but my best friend Stephanie was only in the fi...
A.
To introduce Stephanie to her.
B.
To prevent her from seeing his painting.
C.
To put the materials back in the yard.
D.
To show his artwork to her.