杆机
单螺纹杆机毕业设计外文翻译--对压缩机单螺杆专用加工机床的介绍(编辑修改稿)
adial clearance purposes. Main structure of such advantages: high precision spindle. At the front spindle diameter φ230mm noodle on the end measuring spindle Beat value of . Φ230mm cylindrical