其关键部件在接近使用寿命极限时，产品质量极不稳定。
When its key parts close to their life time, products quality is very unstable.
我们以品类极为宽泛的高品质产品而闻名，适于特定范畴的用户——从坚定的露营者至追求极限的探险者。
We are famous for our wide range of quality products to please a specific range of users that ranges from the serious camper to the extremes of expeditions.
我们以品类极为宽泛的高品质产品而闻名，适于特定范畴的用户——从坚定的露营者至追求极限的探险者。
We are famous for our wide range of quality products to please a specific range of users that ranges from the serious camper to the extremes of expeditions.
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