当预计气体温度比较高时，设计用于这种设备的系统要避免在接触气体的表面使用塑料或聚合体。
When high gas temperatures are expected, systems designed for such service should avoid the use of plastics or polymers in contact with gas -wetted surfaces.
我们的工程师设计了一个系统，它可以将油墨和介质接触表面的氧气替换为氮气，这样就能以更快的速度使得固化过程更彻底。
Our engineers created a system that removed oxygen from the surface where ink and substrate meet, replacing it with nitrogen, which allows the ink to cure more thoroughly and at faster speeds.
流化床的一大优点在于能产生一个充分混合的具有很大表面积的流体与固体的接触系统，这对高效反应和传热都很有用。
A major advantage of fluidised beds is that they provide a well mixed, high surface area, fluid-solid system which is useful for efficient reactions and heat transfer.
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