screw arbor meaning in English

螺杆

Machine barrel and screw arbor of extrusion machine both adopt quality alloy steel , with nitriding and fine machining
挤出机的机筒螺杆均采用优质合金钢，经氮化和精密加工。
Yg832 electronic multifunctional stretcher , adopting ac servo system and exactitude screw arbor drive , has many characteristicses , such as reasonable structure , simple operation , low noise and smooth run etc , adopting scm control , displayed by lcd , intellective interface , deposit the data into the database if connected with the computer
Yg832多功能拉伸仪，采用交流伺服驱动，滚珠丝杆传动，具有结构合理，操作简单，噪声低，运行平稳等特点，电器控制采用单片机控制，液晶中文显示，人机对话界面，与电脑连接可建立数据库。