词语arch hinged at ends
解释双铰拱
词性名词
arch hinged at ends〔名词〕双铰拱详细»
双铰拱arch hinged at ends详细»
双铰拱arch hinged at ends;double-hinged arch详细»
双铰拱arch higned at ends;double-hinged arch;two hinged arch;two pinned arch;two-hinged arch详细»