beam (girder)
词语: beam (girder)
解释: 横梁(大梁)
词典: 专利专业英汉词典
beam (girder) 相关解释
横梁(大梁) beam (girder)
本文链接:https://www.smyyj.com/zh-sg/yingyucidian/zhuanliyinghan/367686.html