columned pier two shaft pier的意思|示意
美 / /
英 / /
柱式码头二轴式码头
columned pier two shaft pier的网络常见释义
双柱式墩 柱，墩 pillar 双柱式墩 columned pier two shaft pier ; twocolumned pier two shaft pier 单柱式墩 columned pier single shaft pier ; singlecolumned pier single shaft pier ..