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这是他兄弟工作所在的机械厂。

This is the machinery plant where his brother works.

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我曾在一家小型机械厂工作。

I worked in a small machinery factory.

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高密市技工学校机械厂。

Gaomi technic school machine factory.

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本公司下设三个机械厂和一个塑料厂（制品）。

The company has jurisdiction over three machine works and one plastics factory(product).

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本公司下设三个机械厂和一个塑料厂（制品）。

The company has jurisdiction over three machine works and one plastics factory(product).

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