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。
Fast-opening blind is applied in the circular hatch of pressure pipeline and pressure vessel, which can be opened and closed fast.
快开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。
The opening hatch cover method also not to be satisfied that using the warping head of cargo gear not through derrick boom open the hatch cover because using derrick boom is not safe.
开舱盖的方法不令人满意，起货设备传动轮弯头在开舱时不穿过吊杆，原因为使用吊杆不安全。
Tightness test (opening and closing test, emergency opening and closing test) for cargo hatch cover.
货舱舱口盖密性试验(启闭试验、应急启闭试验)。
Please unload a part of the weldless steel tubes in Hatch No. 3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.
请把三舱舱口位的无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。
Please unload a part of the weldless steel tubes in Hatch No. 3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.
请把三舱舱口位的无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。
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