更换润滑油 meaning in English

oil renewing

After using 1 year , the aerator needs thorough examination and repair , oil changing and painting maintenance
9增氧机使用一年后，应进行全面检查维修，更换润滑油，并进行油漆保养。
Maintenance - free structure : in addition to the replacement of lubricants , 100 , 000 hours of the following without maintenance
免保养结构：除了更换润滑油以外， 100 , 000小时以下无需进行维修。
From the analysis of the design faultiness of the epp lubrication oil carry and purification system , and the reason of the oil quality deterioration , we do some modification on the lubrication system pipeline , use the new type oil purifier instead of the old one , clear up the hidden trouble in this system , perfect the oil system management , reduce the maintenance , and make the turbine operation more safe and economical
摘要针对鄂州电厂润滑油输送及净化系统现存的设计及安装缺陷，以及主汽轮油质不合格的现状，对润滑油输送及净化系统管道进行改造，更换润滑油滑油过滤装置，消除了系统存在的隐患，完善系统管理，减少了维护工作量，使系统的安全经济运行能力大为提高。