The camshaft rotates in phase with the crankshaft, but at half its speed.凸轮轴和曲轴协调旋转, 但速度仅是曲轴的一半.Since 1958, an engine with a single overhead camshaft has been used.从1958年起, 便已使用带有单顶置凸轮机的发动机.In the engine, oil is supplied...
Many enjoy the mental stimulation of a challenging job.很多人喜欢富有挑战性的工作所带来的强烈的精神刺激。The playgroup provides plenty of stimulation for the children.幼儿游戏组给孩子很多启发.You don't get any intellectual stimulation in this job.你不能从这...
他只能看见球门柱模糊的轮廓。He could see only the hazy outline of the goalposts.球从门柱弹回，欧文头球将球攻进。The ball rebounded from the goalpost and Owen headed it in.我撞着了门柱,把臂伤了.I've banged into the doorpost and hurt my arm....