4) multi-span steel portal frame
多跨门式刚架
1.
Mechanical analysis of multi-span steel portal frame under the actions of combinatorial loads;
多跨门式刚架在几种荷载组合下的受力分析
5) long-span portal frame
大跨度门式刚架
6) single-layer multi-span frame
单层多跨刚架
1.
The calculation method for the influence quantity is discussed for single-layer multi-span frames under moving load, which are wildly used in bridges, industrial and public buildings.
讨论了桥梁、工业厂房和大型公共建筑中较多采用的单层多跨刚架在移动荷载作用下影响量的计算方法。
补充资料：门单
1.子孙不繁，门户衰微。 2.指完成某工程的总清册。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条