在正常情况下，机组每运行2500小时之后，必须更换润滑油，同时更换油过

在正常情况下，机组每运行2500小时之后，必须更换润滑油，同时更换油过滤器。
在运行过程中，如发现润滑油变黑发粘，说明润滑油已氧化变质，应及时更换并同时更
换油过滤器

結果 (英文) 1:

Under normal circumstances, the unit after every 2,500 operating hours, you must change the oil and replace oil filter. In the process of running if oil change black hair stick, note oil oxidation and be replaced in time and at the same time moreChange oil filter

結果 (英文) 3:

Under normal circumstances, each unit operation after 2500 hours, must replace the lubricating oil, replace the oil filter at the same time.In the process of operation, such as the discovery of oil black sticky notes oil has been oxidized, and at the same time should be replacedOil filter