钢板、不锈钢板横梁导轨护罩和伸缩盖的外形根据机器的整体尺寸,工作条件,关系到数据和冷冻液及独特的外表,它和整个机器的图像相和谐. 伸缩盖的外形根据机器的整体尺寸、工作条件、关系到数据和冷冻液及独特的外表，它和整个机器的图像相和谐。 The appearance of the expanson cover is dependent on the over all demensions of the machine .working conditions and the coolent ligvid .It should be in tane with the whole mchine unit 精选的形状，假如Y1