【单选题】【消耗次数:1】
<imgsrc="http://121.251.253.213/doc/a@3EEB543EE4C26953B2F4A84849EF970E.png/download?time=636002407370339938&token=2B860297B4D3A37E02DD8FD066E353D5&filename=png"data-preview_url_ueditor="doc/a@3EEB543EE4C26953B2F4A84849EF970E.png"data-url="doc/a@3EEB543EE4C26953B2F4A84849EF970E.png"/>
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<imgsrc="http://121.251.253.213/doc/a@243286ACC8E46086F734CA856A259C5F.png/download?time=636002407561752274&token=1F3B294A3C4990CC176E288A73F7F41C&filename=png"data-preview_url_ueditor="doc/a@243286ACC8E46086F734CA856A259C5F.png"data-url="doc/a@243286ACC8E46086F734CA856A259C5F.png"/>
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<imgsrc="http://121.251.253.213/doc/a@2171497A1A069BCA694AC32D89A3EE15.png/download?time=636002407739280586&token=D4B87765F15D9453D1F9B5AAD647E41E&filename=png"data-preview_url_ueditor="doc/a@2171497A1A069BCA694AC32D89A3EE15.png"data-url="doc/a@2171497A1A069BCA694AC32D89A3EE15.png"/>
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①  <imgsrc="http://121.251.253.213/doc/a@4EA15DA9D72B7EB9DB10D08648C08C67.png/download?time=636002469357204812&token=A3BD2200A91DEDBFD005F65BAF740481&filename=png"data-url="doc/a@4EA15DA9D72B7EB9DB10D08648C08C67.png"data-preview_url_ueditor="doc/a@4EA15DA9D72B7EB9DB10D08648C08C67.png"/>
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【单选题】 <imgsrc="http://121.251.253.213/doc/a@F40089C6EE85E2D136211F10253A5698.png/download?time=636002405281028268&token=97BDD00CEAA6E56F32B8E987DD49B9AA&filename=png"data-preview_url_ueditor="doc/a@F40089C6EE85E2D136211F10253A5698.png"data-url="doc/a@F40089C6EE85E2D136211F10253A5698.png"/>
①  <imgsrc="http://121.251.253.213/doc/a@E99A777F88517CA13AAE35DD30DBB71F.png/download?time=636002405398808475&token=4D7248307C9F6F80208444D59D17659B&filename=png"data-preview_url_ueditor="doc/a@E99A777F88517CA13AAE35DD30DBB71F.png"data-url="doc/a@E99A777F88517CA13AAE35DD30DBB71F.png"/>
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【单选题】 <imgdata-url="doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png"data-preview_url_ueditor="doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png"src="http://121.251.253.213/doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png/download?time=635997629330923755&token=1279F1B02A815952B66C14C416407130&filename=png"/>
①  <imgdata-url="doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png"data-preview_url_ueditor="doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png"src="http://121.251.253.213/doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png/download?time=635997629504240060&token=541E9A5C2B0C3ED87051C8D3BDF24F82&filename=png"/>
②  <imgdata-url="doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png"data-preview_url_ueditor="doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png"src="http://121.251.253.213/doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png/download?time=635997629627012275&token=B43E29170C3B3757C96EB1A856117760&filename=png"/>
③  <imgdata-url="doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png"data-preview_url_ueditor="doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png"src="http://121.251.253.213/doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png/download?time=635997629743700480&token=080FC0D2FF79A92E265FCC56F38259B3&filename=png"/>
④  <imgdata-url="doc/a@827C3797B683CCCEE410F2ACE266DAAE.png"data-preview_url_ueditor="doc/a@827C3797B683CCCEE410F2ACE266DAAE.png"src="http://121.251.253.213/doc/a@827C3797B683CCCEE410F2ACE266DAAE.png/download?time=635997629843852656&token=89F3878D2896DF9EE9FFD429BD4960F7&filename=png"/>
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①  <imgsrc="http://121.251.253.213/doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png/download?time=636002474556069944&token=1F73253CE0DBDE683628F12C5F4D8450&filename=png"data-url="doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png"data-preview_url_ueditor="doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png"/>
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【单选题】 <imgsrc="http://121.251.253.213/doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png/download?time=636002468341175028&token=CE6F6A3098A2546CA448994156A06B4F&filename=png"data-url="doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png"data-preview_url_ueditor="doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png"/>
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①  <imgdata-url="doc/a@CD9E3C0AEDBA75C158DE390C2B6821D9.png"data-preview_url_ueditor="doc/a@CD9E3C0AEDBA75C158DE390C2B6821D9.png"src="http://121.251.253.213/doc/a@CD9E3C0AEDBA75C158DE390C2B6821D9.png/download?time=635997625449012937&token=2B0506A7D55F104F3EB18AB1B438E15E&filename=png"/>
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③  <imgdata-url="doc/a@F74F9887F67CF35CD12FD326A8DF07D7.png"data-preview_url_ueditor="doc/a@F74F9887F67CF35CD12FD326A8DF07D7.png"src="http://121.251.253.213/doc/a@F74F9887F67CF35CD12FD326A8DF07D7.png/download?time=635997625722481418&token=114591636EA36A1A2C9190B8F9009CBF&filename=png"/>
④  <imgdata-url="doc/a@1DD22FD883B6768EC3835E79FCEDA936.png"data-preview_url_ueditor="doc/a@1DD22FD883B6768EC3835E79FCEDA936.png"src="http://121.251.253.213/doc/a@1DD22FD883B6768EC3835E79FCEDA936.png/download?time=635997625829341605&token=00879720FD2F6C88D666C6E45BAAAFAF&filename=png"/>
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随机题目
【单选题】 电液比例的控制性能劣于开关式控制。该说法( )
①  正确
②  错误
【判断题】 泵控液压马达容积调速系统由于具有功率大、效率高等优点而得到广泛应用。该说法( )
①  正确
②  错误
【单选题】 低粘度液压油流过节流元件时,元件特性要发生变化,造成压力、速度调节不稳定。该说法( )
①  正确
②  错误
【单选题】 ( )是气动系统的动力源。
①  气压辅助元件
②  气源装置
③  空气压缩机
④  压缩空间站
【单选题】 气缸筒的主要作用是提供压缩的储存与膨胀空间及对活塞实现导向,从而通过活塞将压力能转化为机械能。该说法( )
①  正确
②  错误
【单选题】 气压控制换向阀是利用气体压力来使主阀芯运动而使气体改变流向。该说法( )
①  正确
②  错误
【判断题】 在液压系统的管路中,装有截面突然收缩的装置,称为节流装置。该说法( )
①  正确
②  错误
【判断题】 在大气压下正常溶解于油液中的空气,当压力低于大气压时,就成为过饱和状态。该说法( )
①  正确
②  错误
【单选题】 叶片泵的结构较齿轮泵复杂,但其工作压力较高,且流量脉动小,工作平稳,噪声小,寿命较长。该说法( )
①  正确
②  错误
【单选题】 由于转子受有不平衡得径向液压作用力,所以单作用叶片泵一般不宜用于高压。该说法( )
①  正确
②  错误