The decks of a ship are supported by transverse members called（）.

[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？