纸箱要双壁波纹，含三平层的挂面纸，长笛的文件，必须将粘在一起好两层之间是其中之一。

Cartons to be double wall corrugated, containing three flat layers of liner paper, one of them to be between two layers of flute paper, which must be stuck together well.

youdao

纸箱要双壁波纹，含三平层的挂面纸，长笛的文件，必须将粘在一起好两层之间是其中之一。

Cartons to be double wall corrugated, containing three flat layers of liner paper, one of them to be between two layers of flute paper, which must be stuck together well.

youdao