He bought a new water boiler with a digitally controlled pump, and wrappedinsulation around the pipes.
他买了一个带有数字控制泵的新水锅炉,并在管道周围包裹了绝缘材料。
2
Many groups around the copper wire by a layer of heat-resistant polyester film wrappedinsulation.
多组铜丝的周围被一层耐热聚酯薄膜绝缘包裹。
3
A view that is more common in factories or warehouses of exposed pipes wrapped in silver insulation and metal air vents can be seen suspended from the ceiling in the pictures.