steel pipe tower of power transmission
英
美
steel pipe tower of power transmission的用法和样例:
例句
- 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。