垂拱
- n.drop arch; blunt arch
垂拱垂拱
drop arch
arch的翻译中文意思-在线英汉词典 ... double-hinged arch 双铰拱 drop arch 垂拱 dumb arch 假拱 ...
blunt arch
blunt什么意思及同义词_翻译blunt的意思... ... blunt angle 钝角 blunt arch 垂拱 blunt bolt 木螺栓 ...
垂拱