机械中roller 和 shaft 具体区别是什么?可以清楚解释一下吗!谢谢!

机械中roller 和 shaft 具体区别是什么?可以清楚解释一下吗!谢谢! shaft roller ld wrapping arm shaft和Wrapping arm drive gearbox怎么翻译 是机械说明书里的! Shaft roller ROLLER 计算机系统中,由电子线路,元器件和机械部件等构成的具体装置是 5k电位器的k是神马意思啊问一个关于轴方面的问题，rotation keyed splined shaft 中我知道rotation 和splined 的意思，但是keyed shaft是什么轴啊？ skate 和roller blade的区别 roller blade 和skate的区别 在一张机械轴的图面中出现英文：from shaft traveller, spindle跟shaft在翻译成轴的区别是什么?求机械方面高手指教 英语翻译3.3.5.The top roller is lurethane coated to prevent corrosion and provide optimum squeezing efficiency.3.3.6.The bottom roller is driven by a shaft mounted geared motor.The top roller is connected to the bottom roller by a one-way clutch 英语翻译In our prior British Patent No.588,506 there is described a roller comprising a frame,stub axles supported in the frame from the roller body and a centralling disposed out of balance shaft having an eccentric mass,which shaft is mounted i 谁能帮我具体解释下机械加工中进给F是什么意思 包括它的单位 和计算方法! 分词作伴随状语The afternoon passed very pleasantly,roller-skating(滑旱冰）in the sun and talking about our childhood under a tree.这个句子中,我觉得不应该用roller-skating和talking,而应该用roller-skated和talked,因为时间 请问空心轴与中空轴有什么区别啊?英文是这样的,Hollow Shaft和Quill shaft, 英语翻译Spindle shaft 两个单词连在一起的时怎么翻译?与spindle 和shaft 的区别分别是什么