The whole machine adopts a positive displacement lubrication system and a de pressurized oil pump, with stable pressure and flow, which effectively transports the oil to each lubrication point and provides uniform forced lubrication for each slide surface, so as to ens...
发布时间:2024-08-10 更多“Had you come five minutes earlier, you ___ the train to Beijing. But now you missed i”相关的问题 第1题 Had you come five minutes earlier,you () the train to Birmingham. But now you missed it. 点击查看答案 第2题 Had you come five minutes earlier, you...