I would like to have two axes labels like pics ,and also can use sum(on to top) to center position of bar by axes labels , how I can do it?
1.[ALD1,ALD2,ALD3,APD,SPD,APL,LDD] are Machine name in one same columns.
2.呼叫時間(call time)、排隊時間(queue time)、計量時間(action time)、完成時間(finish time)
these 4 are independent columns ,
columns like this