货舱开口
hatch───n.（Hatch）（西）阿奇；（英）哈奇（人名）；n.孵化；舱口；vi.孵化；vt.孵；策划
opening───adj.开始的；v.开放（open的ing形式）；打开；公开；n.开始；机会；通路；空缺的职位
hatch scheme───舱口方案
fred hatch───弗雷德·哈奇
opening times───n.营业时间( opening time的名词复数 )；营业时间(openingtime的复数)
opening act───n.开场，开幕，开张；序幕
opening hours───图书馆开放时间，书店营业时间；（图书馆）开放时间；（书店）营业时间
hatch out───孵出；策划；（使）孵出; （使）得出结果， （使）订出
opening argument───开场白
Fast-opening blind is applied in the circular hatch of pressure pipeline and pressure vessel, which can be opened and closed fast.───盲板是用于压力管道或压力容器的圆形开口上并能实现快速开启和关闭的一种机械装置。
At corners of cargo hatch opening, plating to be well rounded and ground according to Rules.───在货舱舱口，所有的板应根据规范要求打磨圆角。
This paper presents the theory and method of analyzing horizontal-torsion-coupled dynamic behavior of a ship hull with large hatch opening by the transfer matrix method.───提出了用迁移矩阵法分析长大舱口船弯扭耦合动力特性的理论和方法。
At corners of cargo hatch opening, plating to be well rounded and ground according to Rules.