Our supplier corrugates the cardboard twice so the boxes survive long overseas shipments.

我們的供應商把紙板壓出兩層波紋，讓箱子能撐過長途海運。

The plant manager explained in the meeting how the new line corrugates steel sheets faster.

廠長在會議中說明新產線如何更快地將鋼板壓出波紋。

Please confirm by email whether the vendor can corrugate the packaging material before Friday.

請以電子郵件確認廠商能否在週五前把包材壓出波紋。