glass fibre insulator
常見例句
- Some of these cladding or roofing units are expensive, especially the sandwich units which contain a middle layer of highly efficient thermal insulator , such as expanded polystyrene or glass fibre.
這種構(gòu)件中間有一層高效能的隔熱層，如膨脹聚苯乙烯或玻璃纖維。
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