Statistical process control (SPC) is one of the main tools for controlling processes and widely used in the manufacturing industry.

统计过程控制技术目前是生产过程中控制稳定产出的主要工具，在生产型企业中应用的非常广泛。

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This paper mainly describes the controlling ways, controlling principles and the controlling processes of the city bus inner swinging passenger door.

介绍城市客车内摆式乘客门的控制方式、控制原理及实现过程。

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This paper mainly describes the controlling ways, controlling principles and the controlling processes of the city bus inner swinging passenger door.

介绍城市客车内摆式乘客门的控制方式、控制原理及实现过程。

youdao