But the natural gas will be oil absorption, oil viscosity is reduced, so choose oil viscosity brand than general same model, the same pressure air compressor fuel the viscosity of the brand to higher.
但天然气会被油吸收，使油的粘度降低，因此选用油的粘度牌号一般要比相同型号，同等压力的空气压缩机所用油的粘度牌号要更高些。
The results show that the number of regenerative stages in air-cooled units should not be reduced with increasing back pressure for calculating optimum cnthalphy rise distribution.
结果表明，对于空冷机组，在进行焓升最佳分配计算时，回热级数不能因背压提高而减少。
Comparing with the results obtained in air atmosphere, in the argon atmosphere at reduced pressure can obviously improve the quality of spectral line.
与空气环境下得到的实验结果比较，在减压氩气环境下，谱线强度明显增强，自吸现象减小，谱线品质得到明显改善。
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