stiffening rings attachment to shellstiffness ring刚性: rigidity; stiffness; inflexi ...环: ring; hoop刚性环碰撞: hard-sphere collision刚性环，和壳体的装配: stiffening rings, attachment to shell壳体上的刚性环: stiffening rings in shells; stiffening rings to shell下载手机词典可随时随地查词查翻译
