The important factor which affect the well distributed holes is blowing agent.

发泡剂是泡沫铝孔隙的形成和泡沫铝孔洞分布均匀的重要影响因素。

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So it is a green blowing agent.

所以水蒸气是一种绿色发泡剂。

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So it is a green blowing agent.

所以水蒸气是一种绿色发泡剂。

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