购买一台新丁烷焊炬是一个挑战。

Buying a new butane soldering torch was a challenge.

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合装台是汽车车身焊装过程中的关键设备。

Main dock is one of the key parts of car body welding producing line.

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合装台是汽车车身焊装过程中的关键设备。

Main dock is one of the key parts of car body welding producing line.

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