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sieve pore , sieve opening
Includes a fine mesh screen to trap unwanted sediment.
包括细网屏陷阱不必要的泥沙。
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The other method is to pass the powder through 200 or fine mesh screen.
另一种是把软木粉用200目或更细的筛网进行筛选。
The other method is to pass the powder through 200 or fine mesh screen .
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