A(n) () is a special type of valve which prevents the passage of steam but allows condensate to pass.
- Acheck valve
- Bnon-return valve
- Csteam trap
- Dquick closing tra
A(n) () is a special type of valve which prevents the passage of steam but allows condensate to pass.
1、()is not a type of IALA maritime buoya
()is not a type of IALA maritime buoyage system.Aspecial marksBisolated danger marksCcardinal marksDfore and aft mark
2、Which type of precipitation is a produ
Which type of precipitation is a product of the violent convection found in thunderstorms().ASnowBFreezing RainCHailDSleet
3、The marine diesel engine is a type of
The marine diesel engine is a type of diesel engine used on ships The () of its operation is not very difficult to understand.AprincipleBprincipalCcauseDcase
4、()is not a type of charter-party.
()is not a type of charter-party.AA voyage charter-partyBA time charter-partyCA charter-party by demiseDThe charter of the United Natio
5、Why is a special substance painted on
Why is a special substance painted on the tree? Trees should only be pruned when there is a good and clear reason for doing so...
6、A()is a special type of parent company
A()is a special type of parent company that exercises little operating control over the subsidiary,merely“holding”its stock as an investment.APublic companyBholding companyCfirmDconglomerate