corrugate
vt. (使某物)起皺褶,起皺紋,起波紋
n. 皺; 車轍; 畦; 溝
1. fold into ridges;
Good stiffness, outer cover of corrugate or smooth surface finished is weather proof.
膠管具有較好的挺性, 外膠層耐老化,表面有波紋型和平面型兩種.
corrugatescorrugatedcorrugating
purse