deck hatch甲板舱口
hatch coaming on second deck二甲板舱口围板
hatch coaming on upper deck上甲板舱口围板
weather deck hatch cover露天甲板舱口盖
tween deck hatch甲板间舱口
tween-deck hatch甲板间舱口
MAIN DECK HATCH COVER主甲板舱盖
Opening deck hatch可开关甲板舱口
deck-hatch cover甲板舱口盖