压力计3的读数是MPa。http://www.worlduc.com/UploadFiles/HtmlImage/OnlineTest/2016-03-12/6359341420932812509265046.png
举一反三
- 图中系统压力可以实现几级调压？http://www.worlduc.com/UploadFiles/HtmlImage/OnlineTest/2016-03-12/6359341396192187507849505.png
- 溢流阀调定压力为4MPa，系统所带负载为2MPa，当DT不得电时，A压力计的读数是4MPa。http://www.worlduc.com/UploadFiles/HtmlImage/OnlineTest/2016-03-12/6359341684906250008043977.png
- 系统压力能实现（ ）级调定。http://www.worlduc.com/UploadFiles/HtmlImage/OnlineTest/2016-03-12/6359341441764062504423490.png
- 这是（ ）顺序阀。http://www.worlduc.com/UploadFiles/HtmlImage/OnlineTest/2016-03-22/6359424139975000007004422.png
- 图中A为什么阀？http://www.worlduc.com/UploadFiles/HtmlImage/OnlineTest/2016-03-08/6359302207520312505755731.png