1) big-orifice baffle
大孔板
1.
Design and operation of disc and doughnut type gas heat exchanger with big-orifice baffles and wavy pipes;
大孔板波形管碟环式换热器的设计与运行
2) large-hole sieve tray
大孔筛板
3) large hole slab beam
大孔板梁
1.
An analysis is made of controlling elements of main span, and a description is given about the selection of bridge types for the main span, and the design of large hole slab beam.
简述大孔板梁的设计过程 ,针对大孔板梁铰缝设置的特点 ,说明相关理论及设计计算过
4) wide bore distribution plate
大孔分布板
1.
The short abrasive resistant tube on the wide bore distribution plate in regenerator of 1000kt/a heavy oil FCC unit of the refinery of Daqing Petrochemical Branch is synthesized by 0Cr18Ni9 sleeve with a short ceramic tube as an abrasive-resistant internal lining.
中国石油大庆石化分公司炼油厂1000kt/a重油催化裂化装置再生器大孔分布板上的耐磨短管,由0Cr18Ni9套管内衬陶瓷耐磨短管复合而成。
5) big aperture sieve-plate
大孔径筛板
1.
The running and existing problem of big aperture sieve-plate in the rectified column were discussed,and some suggestion measures to reform were presented.
系统介绍大孔径筛板在精馏一塔 (DT/ 30 1)的运行状况及存在的问题 ,结合工厂实际提出改进的方
6) large holed combination sieve tray
大孔径复合筛板
补充资料：孔板
安装在封闭管道中，按节流装置的原理，测量液体、气体和蒸汽流量的检出元件。标准孔板是一块具有圆形开孔的金属薄板,圆孔壁与孔板前端面成直角,安装时孔板轴心与管道轴线同心。孔板已有国际标准(ISO 5167)。测出孔板两端压差，按此标准即可算出具有一定精确度的流量值。孔板取压方式在国际标准中规定为径距取压、法兰取压和角接取压（取压孔紧靠孔板）3种（图1）。当测量含有少量固体的液体或含有少量液体的气体时，为便于少量固体或液体通过，孔板的开孔可制成扇形的,或制成与管道的轴线是偏心的（图2）。
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