elasticlty粘度elasticadj.灵活的；有弹性的；可变的n.橡皮圈；有松紧的东西elastic relaxation弹性弛豫elastic thin board弹性薄板elastic settlement弹性沉降elastic ruche tape弹性褶裥带Elasticoplasticity弹塑性elastic slip angle弹性滑动角elastic-plastics弹塑性elastic resistance弹阻力,弹性阻力elastic deflection弹性挠曲elastic road-bed弹性道床