单选题inmarsat-b系统在大西洋西和大西洋东的网络协调站是()A英国的贡希利(goonhilly)B新加坡的圣陶沙(sentosa)C中国的北京(beijing)D美国的南伯里(southbury)
单选题
inmarsat-b系统在大西洋西和大西洋东的网络协调站是()
A
英国的贡希利(goonhilly)
B
新加坡的圣陶沙(sentosa)
C
中国的北京(beijing)
D
美国的南伯里(southbury)
参考解析
解析:
暂无解析
相关考题:
单选题You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should().Across the channel as you are the stand-on vesselBcross only if the vessel in the channel is approaching on your port sideCnot cross the channel if you might impede the other vesselDsound the danger signal
单选题大副在船舶保养与修理方面的职责包括下列哪几项()。Ⅰ.负责编制全船的年度维修保养计划;Ⅱ.每航次结束后,负责填制甲板部航次维修工作报告报送公司;Ⅲ.修船期间,制定并落实各项安全措施,合理安排自修项目;Ⅳ.因工作需要,可以通知二、三副暂停本职工作服从统一调配。AⅠ~ⅢBⅡ~ⅣCⅠ~ⅣDⅠ、Ⅱ、Ⅳ
单选题The flash-evaporator is different with the submerged-tube evaporator in that for the former()AWater is heated into vapor on heating surfacesBWater is vaporized by pressure differenceCThere are no heating-transfer surfacesDThere are more heating-transfer surfaces
单选题Which of the following components provides a direct source of seawater for the fire main system?()ARose boxBSea chest or spool pieceCSluice valveDFire pump stuffing box
单选题MTIME PLS B NOTED MY VSL NEEDS TO TAKE PROVISIONS AND BUNKERS SOON AFTER HER BERTHING ALONGSIDE. This fax indicates that().Ashe needs provisions and bunkers immediately after berthingBeven she will berth here the vessel does not need any provisions and bunkersCshe will take provisions and bunkers at other berthDshe needs no provisions and bunkers even after berthing
单选题The annual change in()is 0.2 degree.AMagnetic VariationBMarine InsuranceCMaritime AccidentDMean High Water Spring
单选题When air becomes trapped in the hydraulic fluid of a steering system, the ().Arudder will respond sluggishlyBhydraulic rams will over-speedCsight glass will show bubblesDram relief valves will lift
单选题真空的磁导率为()A210-7H/mB310-7H/mC410-7H/mD510-7H/m