abutments的知识聚焦

arched girder hinged at the abutments是什么意思、英文翻译及中文解释

archedgirderhingedattheabutments词语：archedgirderhingedattheabutments解释：与支座铰连的拱梁词性：名词词典：建筑专业英汉词典...