A.decreased B.increased C.fixed D.closed
A.the bearing near to the diesel engine B.the intermediate bearing near to the thrust bearing C.the intermediate bearing near to the sterntube D.the bearing located at the middle of the diesel engine and the sterntube
In the shafting management () should be paid more attention. Ⅰ.f the while metal tailshaft bearing is dripping oil Ⅱ.f some area become blue during the running Ⅲ.he deformation of crankshaft
A.Ⅰ B.Ⅱ C.Ⅲ D.Ⅱ+Ⅲ