For rejecting the device, please observe the standards applied in the country of installation.
关于设备废弃，也请遵守安装使用者国家的相关标准。
They must meet the water and electricity installation and construction necessary skills to design standards.
他们必须达到水电安装施工相应资质设计标准。
They must meet the water and electricity installation and construction necessary skills to design standards.
他们必须达到水电安装施工相应资质设计标准。
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