Fan case can be opened for internal maintenance.
可开启式风机外壳，便于维修。
This practice is not simply the maintenance of appearance, but the internal practice.
这修炼并不是单纯的保养外表，而是修炼内在。
Maintenance of internal relations, ensure the guest service.
维护部门内部关系，确保对客服务的流畅。
Internal valve trim is designed to ensure long service life and avoid unnecessary maintenance.
内部装饰阀的设计，以确保使用寿命长，避免不必要的维修。
Responsible for routine maintenance and internal calibration for testing equipments.
负责日常的机器保养确保测试仪器的正常使用。
Responsible for routine maintenance and internal calibration for testing equipments.
负责日常的机器保养确保测试仪器的正常使用。
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