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单选题 以下哪一项不属于熔断器的重要组成部分
学科：机床电气控制与PLC
时间：2024-06-22 04:58:36
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Einstein said his scientific discoveries grew from his imagination rather than from ______, reason and languageA. analysisB. barrier
题目2单选题
Being a single parent, there is no way for her to ______ the time and energy she has devoted to her children for the past 10 yearsA. calculateB. boost
题目3单选题
It is essential that you start by listening because one of the main ______ teenagers and their parents face in forming positive relationships is that neither listens to the otherA. insightsB. barriers
题目4单选题
We all know the dangers of an earthquake: the ______ to buildings, the troubles can be caused by falling trees, and the terror occurs when the earth actually opens upA. barrierB. destruction
题目5单选题
Not until recently have we realized that the increasing world population may lead to a potential gloomy ______ for humanity: starvationA. destructionB. prospect
题目6单选题
以下哪一项不属于熔断器的重要组成部分A. 弹簧B. 支座C. 外壳D. 熔体
题目7单选题
以下哪一项不属于常用的灭弧方法A. 栅片灭弧B. 宽面灭弧C. 窄缝灭弧D. 磁吹灭弧
题目8单选题
以下哪一项不属于低压断路器的主要组成部分A. 灭弧装置B. 各种脱扣器C. 簧片D. 触点
题目9单选题
以下哪一项不属于接触器的主要组成部分A. 簧片B. 触点系统C. 电磁机构D. 灭弧系统
题目10单选题
以下( )工具主要用来去除导线的绝缘层,以便接线A. 断线钳B. 剥线钳C. 螺钉旋具D. 尖嘴钳
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