To inflate, pull the tabs down firmly, but don't inflate while in the cabin. If your vest needs further inflation, blow into the tubes on either side of your vest.

然后打开充气阀门，但在客舱内不要充气，充气不足时，请将救生衣上部的两个充气管拉出，用嘴向里充气。

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To inflate pull the tabs down firmly, but don't inflate while in the cabin. If your vest needs further inflation, blow into the tubes on either side of your vest.

然后打开充气阀门，但在客舱内不要充气，充气不足时，请将救生衣上部的两个充气管拉出，用嘴向里充气。

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Even as the thought flashed through his brain he received a heavy blow on the side of his head that nearly knocked him down.

这些念头刚闪过，他的脑袋右面就挨了重重一击，几乎被打倒在地。

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