... side girder 侧纵梁 ; 旁纵桁 ; 旁底桁 ; 旁桁材 steel girder 钢梁 ; 钢条 ; 网梁 launching girder 曳进吊梁机 ...
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舱口侧纵梁 hatch side girder
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一种集尘桶组件的过滤桶前盖结构，包括：面板、与面板两侧连接的纵梁；
The invention discloses a filter-barrel front-cover structure of a dust-collecting barrel component, comprising: a panel, longitudinal beams which are connected with both sides of the panel;
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