Flexibility and hosing test for small water tight hatch cover( water tight door and window).
水密小舱口盖（密门、）闭灵活性、水检查。
Two more footrests and handgrips should be installed at the entrance of the small hatchcover.
在小舱口盖的进口处再安装两只踏步和拉手。
The cover for such an opening.
舱口盖覆盖这种开口的盖子
hydrautorque-hinge hatchcover
液压扭转铰链舱口盖
hydrauliccontrol device for hatch cover
舱口盖液压控制装置
oil cooler access cover
通机油散热器的舱口盖
balanlift type hatchcover
平衡式移滚型舱口盖
double-skin pontoon hatchcover
底面铺板箱形舱口盖
" Figurations and symbols on the arrangement plans of ships--Bulkheads, doors, windows and openings on wall, hatches and hatch covers"
GB/T3894.1-1983船用布置图图形符号舱壁、门、窗及舱壁孔、舱口及舱口盖
Based on their findings, they suspected that the water had entered via the access booby hatch opening which had most likely been improperly secured.
由此，他们怀疑水是从便道小舱口流入的，因为这个舱口盖很可能没有关紧。
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）。
Take care, you'll fall down the hatch.
小心，不要掉进舱口。
hydraulic efficiency folding tweendeck hatch cover
液压折叠式二层甲板舱口盖
high stowing end-folding hatchcover
竖堆铰链端部折叠式舱口盖
an entrance equipped with a hatch; especially a passageway between decks of a ship.
盖有舱口盖的一个入口；多指一条船的甲板之间的出入口。
The watchful snatcher dispatched a batch of combatants to the hatch.
密切注意的绑架者发送一批战士到舱口盖。
A Proposal for Hatch Cover Drive of the 2300t Cargo Vessel s Main Deck;
2300t杂货海船主甲板舱口盖传动系统的研制
beam coaming shoe
舱口梁座舱口装卸速度
