It is difficult to avoid the aging of phosphate ester fire-resistant oil in service. By-pass regeneration maintenance is the key step to extend oil life and safe operation.
磷酸酯抗燃油运行中难免老化、劣化，正确的旁路再生维护是延长油的使用寿命，保证油正常运行的关键。
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。
Offshore drilling platforms extend the search for oil to the ocean's continental shelves—those gently sloping submarine regions at the edges of the continents.
海底钻井平台将寻找石油的区域延伸到了海洋大陆架——大陆边缘那些平缓倾斜的海底区域。
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