This technique can be popularized in production of gas generator shell with different volume, such as 20, 30, 60, 80 l, which will have a wide market and better economical.

通过批量生产，该工艺可在20,30,60,80 L等不同容量气体发生器壳体生产中推广，有相当大的市场前景及经济效益。

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If you cut and pasted these lines of code into an interactive Python shell, you would see that outline and flag are both generator objects if you printed them.

如果您将这些代码行剪切并粘贴到交互式的Python Shell中，如果打印的话，您将看到概要和标志都是生成器对象。

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At present main products include: car steering wheel skeleton, air-conditioning bracket, generator bracket, automotive and aviation seat frame, a variety of shell and other auto parts.

目前主要产品包括：汽车方向盘骨架、空调支架、发电机支架、汽车及航空座椅支架、各种壳体等汽车配件。

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