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重庆渝祥居
papermaking technology——造纸术例句：造纸术的发明，对人类文化的传播起到不可估量的作用。This invention played an incalculably important role in the spread of culture.
我叫歪歪
LWC light weight coating 低定量涂布纸、轻涂纸coated board 涂布纸板coated art 铜版纸single coated 单面涂布
白色七巧板
make paper
风吹散了心
boboyoung1983
造纸Paper making
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