1、[建]等边拱
... epoxy-cement mortar 环氧水泥砂浆 equilateral arch 等边拱 equilateral roof 等角屋顶 ...
2、等角拱
...equilateral polygon 等边多边形equilateral arch 等角拱equilateral state of stress 多面等应力状态...
3、对称双心拱
...对称双胎 equal twins; gemini aequales对称双心拱 equilateral arch斜对称双积 skew symmetric dyadic ...
equilateral circular arch等边圆拱
Gothic equilateral pointed arch哥特式等边尖拱
Equilateral pointed arch等边尖拱
gothic arch equilateral pointed arch哥特式等边尖顶拱