对试车中遇到的干气密封频繁损坏、轴振动、泵输出量逐渐下降等原因进行了系统分析。
A systematic analysis is made of the causes for the frequent damage of dry-gas seals, axle vibration and gradual decrease in pump delivery encountered during the test run.
在三轴不排气剪切过程中，试样出现了明显了的剪胀性，且随着干密度的减小，饱和度的增大剪胀性逐渐消失。
As increasing saturation degree and decreasing dry bulk density, the dilatation disappears. The destructional forms of samples may be influenced by dilatation.
该耳轴轴颈（22）通过淬火钢的干式切削形成。
The trunnion journal (22) is made by cutting hardened steel with using no cutting fluid.
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