life span of oil

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油使用期限

机械



双语例句

  1. But in actual oil field applications, leak oil and circumfluence, stator deformation, failure and other serious problems often arise, which affects the life span of the pump and reduces its properties and oil production.
    但在实际油田应用中经常出现泄漏回流、定子变形、脱胶失效等严重影响泵工作寿命的现象,降低了泵的工作效率及采油量。