For long life cycle and high-complexity products, maintenance, repair and overhaul are the necessary prerequisites for sustainable, efficient and stable operation.

对长生命周期和高复杂度的产品来说，维护维修和大修是保证产品持续高效稳定运行的必要前提。

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For long life cycle and high-complexity products, maintenance, repair and overhaul are the necessary prerequisites for sustainable, efficient and stable operation.

对长生命周期和高复杂度的产品来说，维护维修和大修是保证产品持续高效稳定运行的必要前提。

youdao