Long pump life because of excellent mechanical seals.
采用优秀的机械密封，延长使用寿命。
The dive was excellent - the seals were playing around us for ages, constantly tugging at our fins.
潜水很棒，海豹们围着我们玩耍，一直拉我们的。
The dive was excellent - the seals were playing around us for ages, constantly tugging at our fins.
潜水很棒，海豹们围着我们玩耍，一直拉我们的。
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