您要查找的是不是:
- 船底中纵桁材center vertical keel
- 中桁材inner vertical keel
- 桁材girder
- 桁材面板girder face plate
- 槽钢桁材trough girder
- 底桁材bottom girder
- 包材packing materials
- [俗]木船船底漆toxic chian
- 原材live wood
- 船底漏水。The ship bilged.
- 船底压载水泵bilge ballast pump
- 棒材steel bar
- (船底)活水道盖板bilge board
- 卷材coiled material
- 构桁a framed girder
- 母材mother plate
- 人字形起重机的桁The boom of a derrick.
- 片材sheet
- 后帆桁mizzen yard
- 大材小用give an able person a small job