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这种膜是用木纤维做成的。
The membrane is made from wood fibres.
youdao
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厢房的交互重叠是用完全的挑选轻白塞木和玻璃纤维做成的。
The sandwich of the wing is made of the perfect selected light balsa and fiberglass.
youdao
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厢房的交互重叠是用完全的挑选轻白塞木和玻璃纤维做成的。
The sandwich of the wing is made of the perfect selected light balsa and fiberglass.
youdao