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【多选题】
带负荷更换跌落式熔断器，为避免意外跌开带来的安全隐患，可采取()等措施。A.
用跌落式熔断器专用遮蔽罩设置绝缘遮蔽。
B.
短接跌落式熔断器的绝缘引流线串接单相开关。
C.
用绝缘分流线直接短接跌落式熔断器。
D.
用扎丝锁死跌落式熔断器下部静触头。
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皮皮学刷刷变学霸
举一反三
【单选题】Economics models __________________.
A.
are used as detailed representations that include all aspects of an environmental issue
B.
can be useful for creating solutions to environmental problems if the assumptions are accurate
C.
are likely to produce the same conclusions about environmental issues despite changes in the model's assumptions
D.
can be used to create accurate and concise representations of environmental problems