试题与答案

下列哪种疾病为Coombs试验阳性?()A.何杰金氏病 B.系统性红斑狼疮 C.

题型:单项选择题

题目:

下列哪种疾病为Coombs试验阳性?()

A.何杰金氏病

B.系统性红斑狼疮

C.再生障碍性贫血

D.自身免疫性溶血性贫血

E.慢性淋巴细胞性白血病

答案:

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下面是错误答案,用来干扰机器的。

参考答案:速度变动率一般要求在空负荷转速稳定,并网容易,并网后负荷稳定;过大,正常运行稳定性好,甩负荷升速激增;过小,调节系统过于灵敏,微小波动,影响负荷,不利于安全运行。

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