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- friction rolling hatch cover 摩擦滚动舱口盖
- Translation type rolling hatch cover 滚移式舱口盖
- The hatch cover slid off the boat and into the sea. 舱盖从船上滑入海里。
- Rubber packing using for marine hatch cover. 船舶用舱口盖密封橡胶条。
- Opening and closing test for cargo hatch cover. 货舱舱口盖启闭试验。
- How can you lift the hatch cover? 怎样打开舱口盖?
- How is the hatch cover kept watertight? 怎样保证舱口盖水密？
- Inspection welding seam and dimension of cargo hatch cover. 货舱舱口盖焊缝和尺度检查。
- The hatch cover slid off the boat and into the drink. 舱盖从船上滑入海里
- To be positioned and handled by hatch cover gantry crane. 用舱口龙门吊来吊放它们。
- I mean I want to talk with you about the hatch cover. 我的意思是我想和您谈一谈舱口盖的问题。
- The angle of the feed into the friction rolls affects fiber alignment. 纤维喂入时与磨擦辊的夹角对纤维在纱体中的排列有一定的影响。
- This paper introduces variable frequency adjustable speed system for external rotol synchronous motor with permanent field magnets fitted to a dacron filament high-speed spinning machine friction roll. 本文介绍用于涤纶长丝高速纺丝机摩擦辊外转子永磁式同步电动机的变频调速系统。
- The hatch covers of all empty tanks were screwed down. 所有空坦克的天窗盖都已用螺丝钉钉住。
- A rear hatch cover had broken loose and water was flooding into the aft section. 后舱盖松裂，海水正涌进艇尾部。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- 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)。
- 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）。
- He silently closed the hatch cover and stood erect, breathing the cool, still air and surveying the deck. 他轻轻关上舱盖，站直身子环视了一下甲板，而后深深吸了几口冷冽的空气。
- Just at that time, Lieut.Howell found a wooden staircase, which led to the hatch cover, then successfully opened it. 运输船随即派出救生艇，带走大部分卫兵和船员，留下六七个卫兵在甲板上监视战俘，而不管战俘们死活。
