Optimal design of crane booms with main chords and web members in different thickness;
不同主弦杆壁厚起重机臂架的优化设计
Approaches to the blocking of the lifted element by the hoist arm on a boom hoist;
高空吊装起重机臂杆与构件的干涉
Copyright © 2022-2024 汉字大全www.hanzidaquan.com All Rights Reserved 浙ICP备20019715号