我们花了一下午的时间刨冰冻的地面。
It took up the whole afternoon to pick up the frozen ground .
冰冻的地面受热后开始融化。
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 009 should be installed above ground in an insulated enclosure.
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