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| 定常オーバーホール予防保守管理 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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| 予防保守 (よぼう・ほしゅ); 予防保全 (yobō-hozen) | |||
| English thesaurus | |||
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| p.m. | |||
| The maintenance carried out at predetermined intervals or according to prescribed criteria and intended to reduce the probability of failure or the degradation of the functioning of an item. (FRA) | |||
| The care and servicing by personnel for the purpose of maintaining equipment and facilities in satisfactory operating condition by providing for systematic inspection, detection, and correction of incipient failures either before they occur or before they develop into major defects (JP 4-02) | |||