尾气再循环（ExhaustGasRecirculation），简称EGR，利用此技术可以有效地控制尾气污染。
然而考虑到等离子体约束和边界气体再循环，钨涂层面对等离子体材料在真空中的出气性能的研究是十分重要的。
However, in view of plasma confinement and its boundary gas recycling, the investigation on the gas desorption behavior of plasma facing material for tungsten coating is very important.
通过变换工作气体(氢气和氘气的相互转换)研究了HT - 6m托卡马克中等离子体的再循环。
Recycling in the HT-6M tokamak is studied by changing the working gas from deuterium to hydrogen and vice versa.
暖风机适用于空气允许再循环的各种类型车间，当空气中不含灰尘，易燃性的气体时，可作为循环空气采暖之用。
Air blower is applicable to all types of recycling allowed workshop, when the air is not included in the dust, inflammable gas, can be used as circulation of air heating with.
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