1) rear arch
背后拱
3) rear arch
后拱
1.
To analyze effects of radiation of long and low rear on coal bed though theoretic calculation and compare the radiant energy of fully covered rear arch with the radiant energy of half covered rear, it can be a instruction to renovate special boilers.
本文通过理论计算针对低长后拱对煤层的辐射作用进行分析 ,同时对后拱全覆盖及半裸露两种情况下辐射能的变化作了比较 ,对于特定用户锅炉改造具有指导意
4) arched anticline
拱张背斜
5) arch-back reinforcement
拱背加固
6) haunch of arch
拱背圈
补充资料：把拱
1.尚未成材的树木。喻小的才能。
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