抽气管
- 网络exhaust tube;exhaust pipe
抽气管-
抽气管套在进气管上，使进气管位于整个罐体的中心位置，缩减了管排布空间，减小了整个装置的体积。
The air exhaust pipe is sleeved on the air inlet pipe , so that the air inlet pipe is located in the center of the whole tank , so as to reduce piping space and reduce the volume of the whole device .
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在涂料中加入w为0.5%的铝粉，及时拔掉抽气管等措施可以减少氧化缺陷的发生。
The way to reduce the oxidation defects is to pull out the vaccum pipe and put 0.5 % aluminum powder into coating .