多屏绝热辐射直埋蒸汽管道保温层由多层屏蔽反射层与常规保温材料制成。
The insulating layer of multi-screen insulated radiant directly buried steam pipeline is composed of multi-screens reflecting layer and conventional insulating material.
多屏绝热辐射直埋蒸汽管道保温层由多层屏蔽反射层与常规保温材料制成。
The insulating layer of multi-screen insulated radiant directly buried steam pipeline is composed of multi-screens reflecting layer and conventional insulating material.
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