lower deck knee 下甲板肘板
lower-deck beam 下甲板梁
lower-deck stringer 下甲板边板
LOWER DECK CONTAINER 底舱货物集装箱 ; 下部货舱用集装箱
Lower Deck Twin Porthole 双人舱舷窗
lower deck guns 低甲板火炮
upper deck and lower deck 还偏偏装上双层
lower deck crew rest compartment 下层机组人员休息室
N the deck of a ship situated immediately above the hold 下甲板
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