A . trusses
B . deck longitudinals
C . deck beams
D . web frame
[单选题]The deck plating on a ship is supported primarily by deck longitudinals and deck().A . girdersB . stanchionsC . framesD . beam
[单选题]Which of the following modes of heat transfer does NOT require any physical contact between a warmer and a cooler substance?A.RadiationB.ConductionC.Natural convectionD.contact directly
[单选题]E.ach ship shall carry on board a ship security plan approved byA.the chief engineer officerB.the master of the shipC.the manager of the companyD.the Administration
[单选题]E.ach ship shall carry on board a ship security plan approved by______.A.the chief engineer officerB.the master of the shipC.the manager of the companyD.the Administration
[单选题]The( )means that the ship-owner provides a designatedmanned ship to the cha
[单选题]The( )means that the ship-owner provides adesignated manned ship to the cha
[单选题]ship chandlerA.船舶供应商B.船长C.大副D.代理
[单选题]ship surveyorA.海关官员B.验船师C.检疫官员D.卫生官员
[单选题]22. The train is unlike most Chinese trains except its ______A. windowsB. toiletsC. socketsD. rubbish
[问答题] 怎样区别Cs云与As tra云?