片语
Regular or periodic inspection定期或不定期检查
Periodic inspection and testing定期检验和试验
periodic c inspection定期检查
periodic inspection of dam天桥水力发电站
periodic inspection of tooling[科技]
Periodic inspection service table定期检查服务表
fitting rquire periodic inspection附件需要检测
preventive maintenance预防性维修;定期检修
Periodic Maintenance Inspection定期养护检查
periodic visual inspection定期目视检验
prophylactic repair定期检修