联轴器helical

resonance=共振，谐振，共鸣rigidcoupling=刚性联轴器rigidtotor=刚性转子rim=边缘，轮缘，齿环rivet=铆钉，铆接robust=坚固的，硬的root=根部，叶根rotor=转子rupture=断裂，破裂swg=钢丝线规semiflexiblecoupling=半扰性联轴器s...