“轴颈”怎么读？

轴颈在轴承面上摩擦.The journal rubs against the bearing surface.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.在发动机里, 机油被供应到旋转在其支承轴内的曲轴和凸轮轴轴颈上....

“轴颈”的英语可以翻译为：olster bearing，cross-rod，[机] journal，axle journal ...