1) 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
2) combustion arch
后拱，燃烧拱
3) energy-saving back arch
节能后拱
1.
According to the operation situation of AZD20-25/400 coal thrower in one power plant,based on the burning action and influence which was boiler back arch to chain furnace,an energy-saving back arch was added to improve hearth temperature and coal adaption and improve thermal efficiency and obtain better economy benefits.
针对AZD20-25/400型抛煤机倒转链条炉在某电厂的运行情况,运用锅炉后拱对链条炉的燃烧作用和影响,对该炉采用了增设节能后拱的方法,提高了炉膛温度和煤种适应性,降低锅炉热损失,从而提高了锅炉热效率,取得了良好的经济效益。
4) the main bird construction precedes the main arch
先梁后拱
5) fitting the arch first then fitting the girder
先拱后梁
1.
As for the construction method without scaffoldings, the author put forward a scheme of fitting the arch first then fitting the girder in construction of tied bars arch bridge.
无支架施工内容是作者提出的先拱后梁的系杆拱施工方案,其中包括施工阶段水平推力的估算,采用体外索平衡水平推力的相关措施,经过杭嘉湖地区以及浦东新区多座系杆拱桥的施工实践,证明先拱后梁的施工方法是一种具有经济意义及社会效益的成功方法。
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