Acidic corrosion and rusting are controlled by formulation of the oil while the abrasive wear is controlled by air and oil filtration and oil drain intervals.
酸性腐蚀与生锈是由机油成分所控制的，而磨料磨损是由空气、机油过渡与机油更换间隔时间所控制的。
2
The two operational modes were analyzed by the model controlled the steam inlet valve and the drain water valve based on the return water temperature.