“颈的”的英语？

夹紧处扭杆的微小滑移会产生干扰力矩,它的作用和轴颈的摩擦力矩一样.Torsional microslip at the clamps results in spurious torques which act like pivot friction torques.头盖是头部从额到颈的上方区域.The epicranium is the upper region of the head from the front to the nec...