本文结合实际介绍一种SPC控制图方法，即均值— 移动极差控制图法，以控制磷化参数。
This text combines practice to introduce a kind of SPC control diagram method, that is mean value—ambulation difference control diagram method, to control phosphating parameters.
介绍了统计过程控制原理，推导了均值极差控制图进行结构连 续损伤识别的过程；
The principle of statistical process control is introduced and the damage identification process using Xbar-R chart is derived.
本文结合实际介绍一种SPC控制图方法，即均值—移动极差控制图法，以控制磷化参数。
This text combines practice to introduce a kind of SPC control diagram method, that is mean value-ambulation difference control diagram method, to control phosphating parameters.
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