inboard hinging type flood valve的意思|示意

铰链式单向通海阀 ... inboard guy 里舷支索 inboard hinging type flood valve 铰链式单向通海阀 inboard hinging type flood valve 舷内铰链式通海阀 ...

舷内铰链式通海阀 ... inboard hinging type flood valve 铰链式单向通海阀 inboard hinging type flood valve 舷内铰链式通海阀 inboard opening 舷内开口 ...