止回阀在安装过程中应注意哪些事项?

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问题:

止回阀在安装过程中应注意哪些事项?

考点:热注运行工考试初级热注运行工初级热注运行工题库
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患者男性,58岁。高血压病史10年,形体颇丰,平素经常头晕,甚则耳鸣目眩,3天前突然觉得说话时舌头不灵活,随后发生口舌歪斜,右侧半身活动不利,心烦少寐,性情急躁,口干,舌红苔腻微黄,脉弦细数。查血压160/90mmHg。

中医辨证是()

A.气虚血瘀证

B.肝阳暴亢证

C.痰热腑实证

D.痰蒙神窍证

E.阴虚风动证

F.风火闭窍证

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I remember taking __48__ English class in college on the short story. Our first assignment was to read __49__ short stones and then discuss which one was better. After reading both,I wasn’t sure. Over the __50__ several months, my professor taught me __51__ one story was so much better than the other wan humorous __52__ was rich in metaphor(隐喻)and character development, while the other was humorous __53__ too shallow. I couldn’t see this at first. Yet, in a few months, my brain got reeducated an __54__ could see the difference between good and bad writing and could appreciate literature at a whole new level.

Going to college helps build a strong mind, which leads __55__ greater success in one’s life.

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急性呼吸性酸中毒的治疗原则,下述哪项正确()

A.静注5%NaHC03,纠正pH至正常范围

B.增加吸入氧浓度,改善低氧血症

C.使用麻黄碱,纠正低血压

D.通畅气道,缓慢增加肺通气量

E.静注西地兰

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私密性较强的封闭空间属于( )。

A.实体空间

B.规则空间

C.肯定空间

D.静态空间

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从保护人身安全的可靠性出发,一般触电保护器动作时间不应大于0.1min。

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