名词
中文翻译：预防性维护时间
同义词：
["预防性维护时间，预防性维护时间，预防性维护时间例句：1. The company's policy requires that employees must complete preventive maintenance before leaving the office.（该公司的政策要求员工在离开办公室前必须完成预防性维护。）2. The technician spent several hours on preventive maintenance to ensure the equipment was in good working condition.（技术员花费了几个小时进行预防性维护，以确保设备处于良好工作状态。）3. The manufacturer recommends that all vehicles undergo preventive maintenance at least once a year.（制造商建议所有车辆每年至少进行一次预防性维护。）"]
例句：
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1. The company's policy requires that employees must complete preventive maintenance before leaving the office.
该公司的政策要求员工在离开办公室前必须完成预防性维护。
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2. The technician spent several hours on preventive maintenance to ensure the equipment was in good working condition.
技术员花费了几个小时进行预防性维护，以确保设备处于良好工作状态。
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3. The manufacturer recommends that all vehicles undergo preventive maintenance at least once a year.
制造商建议所有车辆每年至少进行一次预防性维护。