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【多选题】
从继电器的电路图分析,哪几个插脚是控制继电器工作的 ( )A.
8/15脚
B.
6/30脚
C.
2/87脚
D.
4/31脚
E.
以上插脚都是
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A.
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B.
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C.
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A.
天快黑了，有人给比尔一把椅子，请他坐下等一会儿。忽然电灯全亮了，整座大桥的轮廓被灯照了出来。
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