composite thermal-insulating block 复合保温砌块
Insulating block of foamed plastics 泡沫塑料隔热块
thermal-insulating concrete block 自保温混凝土砌块
An insulating block 10 mm thick completely wrapped in aluminium foil is placed on top of the cores.
一个10毫米厚，并完全用铝箔包裹起来的绝缘块放在芯体的顶部。
It includes: the out oscillating flow tube, the inner oscillating flow tube, the thermal insulating block cover and the glass vacuum tube.
包括：外层振荡流热管、内层振荡流热管，保温堵盖、玻璃真空管。
The geothermal insulating block produced by the method has the advantages of low cost, good thermal insulation effect and totally replacing the foam cement.
由上述方法制成的地热保温块，成本低、保温效果好、完全可以替代发泡水泥。
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