每3年 Every 3 years 控制器--Controllers 主控器--- NC interface Switching Hub 维护人员技术更新 Maintenance Engineers/Technician s Technical I...
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If the results are normal, Pap smears should be done every 3 years until age 30 years.
如果检查结果正常,建议每3年接受一次巴氏涂片检查,直至年满30岁。
The anode rod should be removed from the water heater tank every 3 years for inspection.
每隔3年时间,就要把阳极棒从热水器内胆上拆卸下来进行检查。
Continued monitoring is therefore necessary, and we recommend that a review of the type presented here be repeated every 3 years.
因此有必要继续监测,我们建议每三年开展一次援助类型评估。
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