He put the cardboard boxes in a heap and stamped them down.

他把纸板箱堆成一堆, 将它们踩扁。

And it is the necessary cutting machine for the enterprise engaged in printing.papering,paper tray, carton fibration and leatheroid,etc.

是印刷、纸、纸盒、纸板箱及纤维组织物，人造革企业所需的裁。