We suggest you replace the anti-wear hydraulic oil in the pump semiyearly, so increase of service life of the electric pump.
建议每半年更换一次泵站中的抗磨液压油，以延长电动泵的使用寿命。
It also can add the diaphaneity, UV protection and reduce radiation. It will increase of service life effectively, limit the damage to eyes.
增加透明度。防紫外线。减少辐射，有效延长镜片的使用寿命，减轻对眼睛的伤害。
Correct operation and daily maintenance work is the basic guarantee that come true the safe transport, reduce the breakdown, increase of service life.
正确的操作和日常维护保养是实现安全运输、减少故障、延长使用寿命的基本保证。
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