试题与答案

35kV及以下屋内配电装置当未采用金属封闭开关设备时,其( )应设置在两侧有燃烧实

题型:多项选择题

题目:

35kV及以下屋内配电装置当未采用金属封闭开关设备时,其( )应设置在两侧有燃烧实体墙的间隔内。

A.油断路器;
B.控制屏;
C.油浸电流互感器;
D.电压互感器。

答案:

参考答案:A,C,D

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材料一:末作(工商业)文巧(华而不实)禁则民无所游食,民无所游食则必农,民事农则田垦,田垦则粟多,粟多则国富。国富者兵强,兵强者战胜,战胜者地广。……舍本而事末作,则田荒而国贫矣。

——《管子•治国》

材料二:“其余坊巷市井,买卖关扑,酒楼歌馆,直至四鼓方静,而五鼓朝马将动,其有趁卖早市者,复起开张。无论四时皆然。”

——(宋)耐得翁《都城纪胜》

材料三:海上(松江地区)官、民、军、灶,垦田几二百万亩;大半种棉,当不止百万亩。……壤地广袤,不过百里而遥,农亩之入,非能有加于他郡邑也。所繇共百万之赋,三百年而尚存视息者,全赖此一机一杼而已。非独松也,苏、杭、常、镇之币帛,嘉、湖之丝纩,皆恃此女红末业,以上供赋税,下给俯仰。若求诸田亩之收,则必不可办。

——明代徐光启《农政全书》卷-五《蚕桑广类•木棉》

概括材料一体现的经济主张及其理由。

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