oil drain

基本解释

Powerful antioxidant activity, significantly extended oil drain intervals and reduce oil consumption.
超强抗氧化性，极大延长油品换油周期，降低机油消耗。
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。
It meets the current demand for oils with fuel saving properties and with extended periods between drainage Super Extend Oil Drain in accordance with the manufacturers instructions.
它符合节省燃油的要求和根据制造商规定的延长换油周期需求。
cepsachina.com

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There are some systems that actually will take a circle and drop it just below the surface of the water and have the oil kind of flow into it, almost like a drain, recover it and pump it out.
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