I thought I became a person without history. I thought I lost my childhood. The mark and proof of my past time had all left me away.

我觉得我成为了一个没有历史的人，我丢失了我的整个童年，所有关于我过去的痕迹与证明全都离我而去。

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Therefore, each piece of explosion-proof products shall mark or explain the explosion-proof type.

因此，每一款防爆产品都应当标注或者说明其防爆的类型。

youdao

Therefore, each piece of explosion-proof products shall mark or explain the explosion-proof type.

因此，每一款防爆产品都应当标注或者说明其防爆的类型。

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