Porous foam metall is a new style function material.

多孔泡沫金属是一种新型功能材料。

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The gun housing was made from reddish-brown plastic, with metall structure hidden inside.

枪房屋是从红棕色塑料，隐藏在金属结构。

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The gun housing was made from reddish-brown plastic, with metall structure hidden inside.

枪房屋是从红棕色塑料，隐藏在金属结构。

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