它具有高的精密度和准确度、低的极限压强、操作简单及维护方便等特点。
There are many advantages e. g high accuracy, low ultimate pressure, simple operation and convenient maintenance.
泵系统的选择取决于所需要的抽速，能达到的极限压强(在适当的时间内)。
The choice of pumping system depends on required pumping speed, ultimate pressure attainable (in a reasonable time).
本文着重讨论了制冷机负载特性的变化对现代低温泵的抽速、极限压强、抽气容量等抽气特性的影响。
This paper emphatically discussed about the effects of change of the refrigerator load on pumping speed, limiting pressure, pumping capability etc.
类似地，现在我们有恒定的压强，我真正想知道的，也就是说我们在纯液体的极限情况下。
Similarly, now I've got constant pressure and really what I'm looking at, let's say I'm at the limit where I've got the pure liquid.
最后，利用所得的解研究了材料的中间主应力效应和拉压强度差效应对厚壁圆筒安定极限压力的影响。
Finally, the influences of the intermediate principal stress and the strength-difference on the shakedown limit pressure of the thick-walled cylinder are investigated by the present solution.
通过试验研究给出有层面碾压混凝土抗压强度、面轴拉强度与层面极限拉伸值间相关关系。
The correlation between the compressive strength and axial tensile strength of RCC with placing joint and ultimate tensile strain of placing joint of RCC layers have been obtained.
结果表明，极限抗压强度与负温和应变率的对数均呈正比例关系；
Test results show that the ultimate compressive strength of the polycrystalline ice is directly proportional to the temperature and also to the logarithm of strain rate.
在分析过程中，利用机动法对温克尔地基板（弹簧支撑板）进行了塑性极限分析，得出了煤柱抗压强度的临界值。
In the plastic limit analysis, the wrinkler's plate is smartly analyzed in yield-line theory to get the critical compression strength of the coal pillar.
提出了根据不同污垢的耐压强度极限应力，设计喷咀直径及射流压力的理论方法。
The theory method of designing the diameter of jet nozzle and the water pressure are advanced in the light of the endurance limit stress on the dirt.
最后，利用所得的解研究了材料拉压强度差效应对球壳安定极限的影响，结果表明，考虑材料拉压强度差效应时球壳安定极限将明显提高。
Finally, the influence of the strength-difference effect on shakedown limit was investigated by the current solution, the results show that the shake down limit increase when...
最后，利用所得的解研究了材料拉压强度差效应对球壳安定极限的影响，结果表明，考虑材料拉压强度差效应时球壳安定极限将明显提高。
Finally, the influence of the strength-difference effect on shakedown limit was investigated by the current solution, the results show that the shake down limit increase when...
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