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