And shipped to the city council in corrugate boxes

并用起皱的纸箱运往市政委员会

Skin molten, attenuate, burnish drops, flexibility decreases, dry and corrugate.

皮肤变软、变薄，光泽减退，弹性减少，干燥起皱。

Good stiffness, outer cover of corrugate or smooth surface finished is weather proof.

胶管具有较好的挺性, 外胶层耐老化,表面有波纹型和平面型两种.