Firstly, the sintered metal porous material is determined be used for rectifying tube after the experiment comparison of 4 types and 6 kinds of porous materials.
首先，通过对4种类型6种材料试验比较，最后确定以烧结金属多孔材料制作整流筒。
Firstly, the sintered metal porous material is determined be used for rectifying tube after the experiment comparison of 4 types and 6 kinds of porous materials.
首先，通过对4种类型6种材料试验比较，最后确定以烧结金属多孔材料制作整流筒。
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