first overhaul period

常见例句

雙語例句

• Replacement period of gear oil: it should be replaced between first 300km driving and 1000km. driving after overhaul of new motorcycle or engine.
  齒輪油更換時間：在首次300千米及1000千米行駛後，須分別進行齒輪油更換，在此之前，要事先對新車或發動機進行仔細檢查。
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