充气不足时，可将救生衣上部人工充气管拉出，用嘴向里充气。
If your life vest is not inflated enough, you can also inflate it by blowing into the mouth pieces.
充气不足时，可将救生衣上部的两个人工充气管拉出，用嘴向里充气。
If your vest is not inflated enough, you can inflate it by blowing into the mouth pieces.
在人工养殖条件下，影响海洋闭鳔鱼类鳔器官充气的因子有营养因子和环境因子。
The inflation of swim bladder can be influenced by nutritional and environmental factors mainly.
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