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采用高档合页，可承重大面积的窗扇。
High - grade leaves are applied to bear a large area of window sash.
youdao
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重量轻但是承重大的特性使之成为最佳的包装材料。
The characteristic of lightweight but born heavy is best for packing.
youdao
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重量轻但是承重大的特性使之成为最佳的包装材料。
The characteristic of lightweight but born heavy is best for packing.
youdao