Watts recommends installation indoors or above ground in an insulated enclosure.
美国瓦茨建议安装在室内或地面上的保温罩内。
In an area where freezing conditions can occur, Series 009 should be installed above ground in an insulated enclosure.
在可能发生冰冻环境的区域，系列009应该安装在地面，并位于保温罩内。
In an area where freezing conditions can occur, Series 909 should be installed above ground in an insulated enclosure.
在可能会发生冰冻环境的地方，系列909应该安装在地面上的保温罩内。
The SF multi-duplex consists of 1 or 2 elements, backed up respectively by 1 or 2 additional elements, integrated in a sound insulated enclosure .
港协暨奥委会多全双工包括1或2个元素，备份1或2分别额外的元素，在一个健全的绝缘外壳之中。
An electric line whose conductors are contained in a enclosure and insulated with a compressed gas.
将导体封装在充以压缩绝缘气体管道里的电力线路。
An electric line whose conductors are contained in a enclosure and insulated with a compressed gas.
将导体封装在充以压缩绝缘气体管道里的电力线路。
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