A vapourcycle upgrade was undertaken to meet the increased avionics cooling requirement, while also introducing an environmentally friendly cooling refrigerant (R-134a).
In order to overcome this negative water vapour phenomenon, "the method of stepwise cycle reduction" is used to carry out some special treatments for the initial value.
为了克服这一负水汽现象,我们采用了“逐步循环订正法”对初值进行了一些特别处理。
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The vapour then passes to the compressor and the cycle is repeated.