For shipE.ngaged on international voyages,the sulphurC.ontent ofA.nyF.uel oil used onB.oard ships shall notE.xceed theF.ollowing limits( )__.
A.1.5% B.2.5% C.3.5% D.4.5%正确答案C
For shipE.ngaged on international voyages,the sulphurC.ontent ofA.nyF.uel oil used onB.oard ships shall notE.xceed theF.ollowing limits( )__.
A.1.5% B.2.5% C.3.5% D.4.5%正确答案C