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【单选题】
发生两相短路时,复合序网的连接( )
A.
正序负序零序串联
B.
正序负序并联、零序开路;
C.
正序零序并联 负序开路
D.
负序零序并联,正序开路
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皮皮学刷刷变学霸
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【单选题】露天水池水深5m处的相对压强为
A.
5kPa
B.
49kPa
C.
98kPa
D.
147kPa
【简答题】短文改错。 When my eighth birthday came, I was not in home. In order to celebrate (庆祝) such important day with my dear parents, I wrote a long letter, in which I thanked him for having raised me for 18...
【多选题】杂质半导体导电性能受什么因素影响?
A.
温度和光照
B.
掺杂质的浓度
C.
外加电压
D.
材料
【简答题】露天水池,水深5m处的相对压强为
【单选题】钢筋混凝土过梁在洞口两侧深入墙内的长度应不小于( )
A.
120mm
B.
180mm
C.
240mm
D.
360mm
【简答题】男性,69岁。因右上肢疼痛半年余,加重3天于疼痛门诊就诊。患者曾于1年前因'结肠癌'行手术治疗。术后于右上肢行PICC输液治疗。半年后出现右上肢肿胀,移除PICC导管,改到左上肢行PICC。但在一次右上肢稍微用力后出现疼痛,难以忍受,曾口服止痛药物治疗,此后右上肢不敢被触碰,疼痛持续存在,时轻时重,严重时疼痛难忍,呈跳痛、放电样和严重的烧灼样疼痛,影响休息和睡眠。查体可见右上肢前臂肿胀,下臂萎缩,...
【简答题】The flood of migrants into Europe is it obvious that dialogue and agreement are necessary, to better protect the EU's external borders and reduce the pressure on affected countries. But as Edwa...
【单选题】What is the man who was buying stock trying to show?
A.
That every penny counts.
B.
He is important.
C.
He is talktive.
D.
That stocks are very important.
【单选题】露天水池,水深2m处的相对压强为
A.
2.0kPa
B.
9.8kPa
C.
19.6kPa
D.
25.0kPa
【单选题】不属于脑 5叶的是:
A.
额叶
B.
顶叶
C.
颞叶
D.
岛叶
E.
楔叶
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