thin walled bar

• 薄壁杆件

thin walled bar的用法和样例：

例句

1. According to the thin wall pole theory ,this paper educes a practical method to compute the deformation of transmit-electricity steel tube poles.
   以薄壁杆件理论为基础，推导出输电钢管塔杆在复杂荷载作用下的挠度实用计算方法。