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拱圈
 拱圈
el. horizontal arch element
hydroel.st. arch ring
|
 #的
sport. med. lame
 的
gen. of
oil general 普通
| 中心角
 中心角
hydroel.st. central angle

to phrases
拱圈 gǒngquān
el. horizontal arch element
hydroel.st. arch ring
tech. arc; arch block; ring; ring course (层)
横截面高度小于宽度的板拱桥的拱圈 gǒngquān
tech. arch barrel
拱圈: 88 phrases in 10 subjects
Architecture4
Bridge construction11
Construction2
Electronics3
Engineering geology3
General2
Hydroelectric power stations9
Metallurgy1
Rail transport2
Technology51