circular segment

基本解释圆弓形

网络释义

1)circular segment,圆弓形2)arch,弓形，半圆形3)expanding vault,圆锥形弓窿4)Ellipse Arched Aera,椭圆弓形面积5)arcuate section,弓形圆弧断面6)disk-pantograph,圆盘形受电弓

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。

Discussion of current collection method between disk-pantograph and lin ear contact-wires;

圆盘形受电弓与直线形接触线受电方式探讨