?低水位安全装置 low water level safety device
?低水位阀 low water valve
?低负载压缩机 low-duty gas compressor
?下层桥艛 lower bridge
?低热量值 lower calorific value
?下死点 lower dead center
?下甲板 lower deck
?低级燃油 lower grade fuel oil
?低高潮 lower high water (LHW)
?低[货]舱 lower hold
?下龙骨(木船) lower keel
?下限 lower limit
?低水位阀 low water valve
?低负载压缩机 low-duty gas compressor
?下层桥艛 lower bridge
?低热量值 lower calorific value
?下死点 lower dead center
?下甲板 lower deck
?低级燃油 lower grade fuel oil
?低高潮 lower high water (LHW)
?低[货]舱 lower hold
?下龙骨(木船) lower keel
?下限 lower limit
?低低潮 lower low water (LLW)
?下桅 lower mast
?下桅支索 lower rigging (or shrouds)
?下支索 lower shroud (or stay)
?下烟囱 lower stack
?下部舵杆 lower stock
?舵心材 lower stock rudder main piece
?顶桅下帆 lower topgallant sail
?中桅下帆 lower topsail
?弯部下缘 lower turn of bilge
?下方中甲板 lower tween deck
?下甲板间[空间] lower tween deck
?下帆桁 lower yard
?下桅桁 lower yard
?最低水位 lowest water level (LWL)
?低压引擎 low-pressure engine
?低速引擎 low-speed engine
?液化丙烷 LPG (= liquefied propane gas)
?低压蒸气产生器 LPSG (= low pressure steam generator)
?英国劳氏验船协会 LR (= Lloyd‘s Register of Shipping)
?战车登陆舰 LST (= tank landing ship)
?润滑剂 lubricant
?润滑油添加剂 lubricant additive
?润滑装置 lubricating gear
?[润]滑油 lubricating oil
?[润]滑油泵 lubricating oil (or lubricating) pump
?[润]滑油消耗量 lubricating oil comsumption
?[润]滑油消耗量 lubricating oil consumption
?[润]滑油冷却器 lubricating oil cooler
?润滑油污油柜 lubricating oil dirty tank
