guaranteed service life 中文意思是什麼
guaranteed service life
解釋
保用期-
The switching reliability and long service life are guaranteed by either a silver plated or optional gold plated contact
鍍銀的或鍍金的接點保證了開關的可靠性和使用壽命。 -
Article 60 within normal service life time of buildings, the quality of foundations and main parts of buildings shall be guaranteed
第六十條建築物在合理使用壽命內,必須確保地基基礎工程和主體結構的質量。
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