【正文】
個(gè) /300mm A 34177。 2 B 50177。 4 ? 楞型特點(diǎn) : ? C楞:緩沖性好 ? B楞:平壓強(qiáng)度高、緩沖差。 ? 緊度:?jiǎn)挝惑w積紙 /紙板的重。 ? 耐破度: ? 施膠度: ? 水分: 謝謝! 謝謝觀看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH