- maintenance routine
- 维修: keep in repair; service; mai ...
- 程序: procedure
- 测试与维修程序: test and maintenance program
- 维修程序 定期维护 定期维修 例行维护: maintenanceroutine
- 娱乐乘骑及装置的维修程序: standard practice for maintenance procedures for amusement rides and devices
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