-
该设备为自主式,不需要换装燃料或燃气通风。
The units are completely self-contained and can be left unattended with no need for re-fueling or venting of combustion gases.
youdao
-
该设备为自主式,不需要换装燃料或燃气通风。
The units are completely self-contained and can be left unattended with no need for re-fueling or venting of combustion gases.
youdao