capability of swelling
膨胀能力
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The dissolving ratio and swelling of the waterproof were investigated by soaking test to study the waterproof capability of the film.
通过浸泡试验评价薄膜溶解率与溶胀度进而反映薄膜耐水性；
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