Regular maintenance for test equipment 测试设备的不定期维护
regular maintenance interval 正常保养周期
Regular maintenance or replacement blades 定期保养或更换叶片
Regular maintenance therapy 正规维持疗法
kilometres between regular maintenance [交] 客车定检间走行里程
No Regular Maintenance 不定期维护
During regular maintenance 定期维护过程中
Unless Regular Maintenance 除非进行定期检修
Do machine regular maintenance 对设备提供日常的维护
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