In the middle or back ply, however, less expensive fibers such as GW, TMP, HYP(BCTMP)and recycled fibers or mixtures of different fibers are used.是什么意思_In the middle or back ply, however, less expensive fibers such as GW, TMP, HYP(BCTMP)and recycled fibers or mixtures of different fibers are used.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句