bilgen.船底；舭部；船底污水；无聊的想法；废话v.（船）穿洞bilge board scow一种装有舷侧披水板的平底浅水赛艇bilge water gage船底测漏用水位表bilge sludge box舱底水滤箱bilge pump gland舱底泵压盖bilge truss hoop舱底中间箍bilge pump valve舱底泵阀bilge keel filler舭龙骨填料bilge water gauge船底测漏水位表bilge suction box舱底水吸入阀箱bilge longitudina舭纵桁