对发行债券的说法中不正确的是( )。

A．企业债券融资是一种直接融资
B．发行债券的企业必须实力很强，资信良好或有很强的第三方担保
C．发行债券通常需要取得债券资信等级的评级
D．债券只能在公开的资本市场上公开发行

A branch line valve of a fire extinguishing system on a ship must be marked with the（）.

A.maximum pressure allowed at that branch

B.name of the space or spaces which it serves

C.date of the last maintenance inspection

D.pressure needed to maintain an effective stream at that point