Floatingballtypeairpipehead造船用-浮球式空气管头-浮球式透气帽AirpipeheadForForepeaktank艏尖舱浮球式空气管头/艏尖舱浮球式透气帽AirCapForFreshwatertank浮球式淡水舱透气帽/淡水舱浮球式透气帽AirpipeheadForSewagetank污水柜浮球式空气管头/浮球式污水柜透气帽AirCapForSeawatertank海水舱浮球式透气帽/海水舱浮球式空气管头AirCapForOverflowtank浮球式溢流舱透气帽/溢流舱浮球式空气管头AirpipeheadForFeedwatertank锅炉水舱空气管头/锅炉水舱透气帽AirCapForTopsidetank顶边水舱透气帽/顶边水舱空气管头AirpipeheadForCoolingwatertank冷却水舱浮球式透气帽/浮球式冷却水舱空气管头AirCapForLogroom计程仪舱透气帽/计程仪舱空气管头AirpipeheadForBilgeoilw.t.浮球式污油水舱透气帽/污油水舱浮球式空气管头AirpipeheadForAfterpeaktank尾尖舱透气帽/尾尖舱空气管头AirCapForBilgewell污水井透气帽AirCapForCofferdamtank隔离舱空气管头/隔离舱透气帽AirCapForDraintank泄放舱透气帽/泄放舱空气管头AirpipeheadForDistilledwatertank蒸馏水舱浮球式透气帽/浮球式蒸馏水舱空气管头Bilgewatertank舱底水舱透气帽/舱底水舱空气管头)