词汇	root collar
释义	root collar 根颈
随便看	Center of Lateral Resistance center of lattice center of lens center of lens,optical center of lift Center of Lift center of light center of load Center of load calculation center of location center of magnus force Center of Maritime Studies center of mass center-of-mass center-of-mass algorithm center of mass coordinate center-of-mass coordinate center of mass coordinates center-of-mass coordinates center of mass coordinate system center-of-mass coordinate system Center-of-mass correction error center of mass determination center of mass effect center-of-mass energy