1) O-belt
圆断面形带
2) circular section
圆形断面
1.
【Objective】 For present shortcoming of water depth of uniform flow in circular section,which is great calculating error and small application scope,this paper desired to get a new approximate formula.
【目的】针对目前圆形断面均匀流水深计算公式存在计算误差大、适用范围小的弊端,欲提出一种新的近似计算公式。
3) pipeline with circular section
圆形断面管道
4) arcuate section
弓形圆弧断面
1.
Based on fore theory and some tentatives,theory about distribution of water velocity in pipe of arcuate section is researched.
将整个断面分为弓形圆弧断面和渗流断面。
5) free flow in circular section
圆形过水断面
6) circular crose section jet
圆形断面射流
补充资料：异形断面钢材(见异形断面型材)
异形断面钢材(见异形断面型材)
special section steel
，一、u以uu、’“飞豆on gQngC01异形断面钢材(speeial Seetion steel)见异形断面型材。
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