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發布時間: 2015-3-29 15:30
正文摘要:. e6 J- g( y: M6 f& ? ( P; F, h1 g- |$ `疊層壓榨氈毯laminated press felt 6 Q- Q' M- K7 K' k 3 f z1 {9 _& L) R. j 造紙壓榨氈毯的一種?；加梢粚踊蚨鄬硬煌Y構組成。頂層通常為單層織物，底層 ... |
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