Urwrong。你看的哪个版本载重线公约?1.纠正一下,superstructure不是“上建”“上层建筑”。2.斜撑是所有露天甲板栏杆都需要设置的。---------------------------------------------------------InternationalConventiononLoadLines,1966,asamendedbythe1988Protocolbyres.MSC.143(77)in2003ANNEXIREGULATIONSFORDETERMININGLOADLINESCHAPTERIICONDITIONSOFASSIGNMENTOFFREEBOARDRegulation25Protection......