A crowd gathered in front of the building.

大楼前围了一大群人.

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The mould design and manufacturing process of the bus lock hole was introduced.

介绍客车前围冲锁孔的模具设计及制造工艺.

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A process advanced to eliminate the roughness offront of automobile body's top cover after being soldered.

探讨了解决车身顶盖前围焊接不平整问题的工艺过程.

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