这个测试是将羽绒/羽毛放在有橡皮塞子的织物袋中，用翻滚法进行测试。
This test involves tumbling fabric with will down/feathers in a containing with rubber stoppers.
阳极袋：用棉布或化纤织物制成的套在阳极上，以防止阳极泥渣进入溶液用的袋子。
The anode bag with cotton cloth or chemical fiber fabric: made in the set of anode in the, in order to prevent the anode slime slag in the bag of go into solution.
袋布用柔软的、牢固的全棉织物，如上等细棉布。
For pocket linings, a soft, strong cotton fabric such as batiste is recommended.
袋布用柔软的、牢固的全棉织物，如上等细棉布。
For pocket linings, a soft, strong cotton fabric such as batiste is recommended.
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