控制图中各点在下列情况发生时，必有非机遇原因宜加以调查

控制图中各点在下列情况发生时，必有非机遇原因宜加以调查

Results (English) 1:

When the following conditions occur at each point in the control chart, there must be non-opportunistic reasons that should be investigated

Results (English) 2:

There must be non opportunity causes for each point in the control chart when the following situations occur, which should be investigated

Results (English) 3:

When the following situations occur at each point in the control chart, there must be non-opportunity reasons that should be investigated