ADJ → same as semiannual
Under normal working condition, this equipment is generally maintained semiyearly after the installation and debugging.
设备安装调试完毕后，在正常工作情况下，半年只需维护一次。
Low maintenance cost. Under normal working condition, this equipment is generally maintained semiyearly after the installation and debugging.
维护保养成本低。设备安装调试完毕后，在正常工作情况下，半年只需维护一次。
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