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.
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.
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