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....
他患有糖尿病和胃溃疡。He suffered from diabetes and gastric ulcers.胃溃疡可以通过把激光射入柔性纤维来治疗.Stomach ulcers may be treated by guiding the laser light through flexible fibers.目的:分析胃溃疡癌变的 X 线表现特征.Objective : To analyse the X - ray features...
他的球投得极棒，使我们赢下了两场比赛。He bowled so well that we won two matches.如果你不喜欢，不要投他的票不就得了。Heck, if you don't like it, don't vote for him.她因投毒和谋杀未遂被判20年监禁。She was sentenced to twenty years' imprisonment for poisoning ...