bolted sectional dock的意思|示意
美 / /
英 / /
螺栓组合船坞
bolted sectional dock的网络常见释义
栓接分段式浮坞 ... bolted flange 螺栓结合凸缘... bolted sectional dock 栓接分段式浮坞... bolted flat head [化] 螺栓连接式平...