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Terms for subject Nautical containing 下 | all forms
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上下梯道companion way
上部甲板至下端的距离distance below deck head
下千斤滑车derrick head span block
下半轴承bottom brass (propeller)
下吊货滑车lower cargo purchase block
下壳体lower hulls
下层中间甲板lower between deck
下层部分货舱和压载舱lower portions of the cargo holds and ballast tanks
下床铺试验lower bunk bed test
下座板lower cross seat
下排污down blow
下排污bottom blow
下水曲线launching curves
下水驳launching barge
下水驳launch barge
下沉下垂sagging
下沉shrinking
下沉时间钻井装置time required for ballasting of immersing
下沉时间submerge interval of floating dock
下沉运动set-down
下沉风under the lee
下浮体lower pontoon
下浮体lower hull
下浮体底与上甲板间距height between base of pontoons and upper deck
下海产卵物种catadromous species
下游产业downstream industry
下潜浸水submerge
下潜体小水线面双体船lower hull SWATH
下潜体宽小水线面双体船breadth of lower hull SWATH
下潜体宽度lower hull breadth
下潜体长度lower hull length
下潜式加压舱submersible compression chamber
下舵承neck bearing
下舵销bottom pintle
下舵销lower pintle
下降管downcast
下降管down-take pipe
下降管down comer
下陷shrinking
船停下bring to
双下浮垫柱稳半潜式钻井平台twin pontoon column stabilized semi-submersible drilling unit
吊钩下交货的船上交货FOB under tackle
向下进水down-flooding
向下进水点down-flooding point
国际商品协定下的协定价格Striking price under International Commodity Agreement
在下风under the lee
在寒冷条件下焊接的露天保护weather protection for welding at low temperatures
垂直下行焊vertical-down welding
多艘无人水下航行器联合控制系统combined control system for UUVs
持续下降continuing decline
船掉头迎风停下抛锚round to
搜索水下潜艇asdic search
放松下风转帆索而张紧上风转帆索brace to
斗桥下支承lower support of bucket ladder
无人水下潜器unmanned under-water vehicle
无座下排污阀Seatless bottom blow valve
无缆自治水下机器人autonomous underwater vehicle
最低燃烧下限lower flammable limit
有缆遥控水下机器人remotely operated vehicle
标定抗拉强度下限值specified minimum tensile strength
横舱壁下部transverse bulkhead lower part
水下侧面积submerged lateral area
水下侧面积系数coefficient of submerged lateral area
水下吸收仪underwater absorption meter
水下声呐监听系统underwater sonar monitoring system
水下完井under water completion
水下居住舱系统underwater accommodation system
水下建设船undersea construction boat
水下式观光半潜水艇passenger semi-submersible craft
水下排放口underwater discharge outlet
水下散射仪underwater scattering meter
水下施工船offshore subsea construction vessel
水下浮标系统undersea buoy system
水下浮标系统subsurface buoy system
水下清洗in-water cleaning
水下生产转塔submerged turret production
水下的下潜的，沉没的submerged
水下目标纯方位角跟踪bearing-only tracking BOT on under water target
水下目标纯方位角跟踪bearing-only trackingBOT on under water target
水下装载转塔submerged turret loading
水下观光潜水艇passenger submersible craft
水下观测船underwater observation boat
水下辐照度仪underwater irradiance meter
水下运行器swimmer propulsion unit
水下透射率仪underwater transmissometer
水下通信装置underwater communication system
水下通信装置underwater acoustic system
水上水下侧面积比ratio of above water and submerged lateral areas
水线下支柱体深度vertical struts depth under waterline
潜艇艇员水下脱险submarine escape
爆炸下限lower explosive limit (LEL)
爆炸下限LEL
班轮条件下的船上交货FOB liner term
甲板下作业under deck operating
登乘时间及下水时间embarkation time E and launching time L
等离子水下切割机underwater plasma cutting machine
纵向下水船架longitudinal launching cradle
综合水下作战系统integrative underwater weapon system
自下而上法top-down
自下而上的管理bottom-up management
自上而下法bottom-up
自由降落下水free-fall launching
自由飘浮下水float-free launching
舷梯下平台lower platform
船底上隔板下的毛毡felt under septum plates on top of hull bottom
进水工况下的波浪压力wave pressure in flooded conditions (PWF (kN/m2))
进水工况下的波浪压力PwF
进水工况下的静水压力still water pressure in flooded conditions PsF (kN/ m2)
进水工况下的静水压力PSF (kN/m2)
遥控操作的水下作业的潜水器ROV
遥控自治水下机器人autonomous and remotely operated vehicle
需氧和厌氧情况下的环境后果和影响资料data on environmental fate and effect under aerobic and anaerobic conditions

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