class range中文什么意思

例句与用法

1. The classes range from the pre - intermediate ( stupid ) , intermediate ( not good ) and advanced intermediate ( pretty good )
   课程级别有初级班、中级班和高级班三种。
2. Wafangdian electric bearing production co . , ltd . boasts sophisticated bearing processing equipments , the powerful technical force , excellent production equipments , advanced technological level and complete detection means and is capable of independently undertaking the manufacture of deep grove ball bearing , self - aligning ball bearing , cylindrical roller bearing , ? self - aligning roller bearing , angular - contact ball bearing , tapered roller bearing , thrust ball bearing and thrust roller bearing as well as non - standard bearings and revolving supporting bearing , with the production scope ranging from the internal diameter of 50mm to the external one 3000mm and the precision class ranging from p0p5
   瓦房店电力轴承制造有限公司具有先进的轴承加工设备技术力量雄厚生产设备精良工艺水平先进检测手段全，能独立承制深沟球轴承调心球轴承圆柱滚子轴承调心滚子轴承角接触球轴承圆锥滚子轴承推力球轴承推力滚子轴承及非标准轴承和回转支承轴承。