塑料皮带

实现的方法是在输电线螺旋地缠绕横截面为三角形的塑料带，使气动力的攻角沿输电线的长度方向周期性地变化，使作用在输电线上的气动力近似地成为平衡力系。

plastic cup

plastic wash bottle

plastic laminate

heavy-duty plastic packing tape making machine

plastic corrugated sheet

ductility【力】;flexibility【力】;plastic property【力】

producing SPECTACLE(S) frames from plastics or substances in a plastic state

UV absorber (ultra-violet screening agent) additive (plastic ingredient)