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[问答题,简答题] 发电机和变压器中性点用避雷器各有什么作用?

既属"五体",又属"奇恒之府"的是() ["脉","脑","髓","女子胞","胆"] 以下几种静脉麻醉剂的半衰期,由长到短正确的排列次序是()。 ["地西泮,硫喷妥钠,依托咪酯,氯胺酮,氟哌利多","氟哌利多,地西泮,硫喷妥钠,依托眯酯,氯胺酮","硫喷妥钠,地西泮,依托咪酯,氯胺酮,氟哌利多","地西泮,依托咪酯,硫喷妥钠,氯胺酮,氟哌利多","依托咪酯,地西泮,硫喷妥钠,氯胺酮,氟哌利多"] 下列哪种方法不适宜前牙切角小范围牙折() ["金属烤瓷全冠","桩冠修复","酸蚀-复合树脂修复","螺纹钉加固复合树脂修复","3/4冠修复"] 被称为"州都之官"的是() ["三焦","膀胱","小肠","大肠","脾"] 银汞合金可塑性较大的时间范围是() ["5~9min","10~14min","15~20min","21~25min","26~30min"] 发电机和变压器中性点用避雷器各有什么作用?
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