词汇	roll spin
释义	roll spin 滚旋
随便看	rigid flip top rigid floor assumption rigid foam rigid foam plastics rigid foam polyurethane rigid foams rigid format rigid foundation rigid foundation structure rigid-fragile material rigidframe rigid frame construction rigid frame containing bevel shaft rigid frame-continuous beam rigid frame continuous bridge rigid frame-continuous curved beam rigid frame continuous girder rigid-framed rigid-framed arch rigid-framed arch bridge rigid-framed bridge rigid frame rigid-frame rigid-frame and arch bridge rigid-frame and continuous girder