UPER

基本解释

S uper precise ballscrews (C3-class). These ballscrews are pre-loaded and pre-tensioned at both ends to eliminate backlash, ensure minimum heat strain, and achieve the higher accuracy in positioning.
三轴采用C3级滚珠螺杆一室温预拉，采高功率伺服马达驱动，使进给顺畅，且与滚珠螺杆直接传动，可得较佳刚性及降低热变位，确保加工精度。
Infection of the uper respiratory tract
上呼吸道感染
Keywords Bleeding of uper digestive tract Endoscope Vasal clamp;
关键词上消化道出血;内镜;血管夹;
Qing - yah - ling spray in adjuvant treatment of acute uper respiratory infections in children
清咽灵喷雾剂佐治小儿上呼吸道感染
Keywords Ekofisk-field;Uper Cretaceous;Paleocen;Fracture;Marine Strata;Reservoir Characteristics ;
埃科菲斯克油;田晚白垩世;古新世;海相地层;油气藏特征;油气勘探;勘探史;