英语词汇“operation hours”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	operation hours
释义	operation hours短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句操作小时,设备运行时间 Vertical reducer motor adopted ensures low noise and long operation hours. 配用摆线针轮减速电机，噪音小、持久耐用。 aodus.com
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