The majority of medium speed and high speed marine diesel engines for main or auxiliary drive operate on the () cycle.
A、two-stroke
B、four-stoke
C、long-stroke
D、short-stroke
A、two-stroke
B、four-stoke
C、long-stroke
D、short-stroke
A、elected by the majority party B、chosen from the majority and minority parties C、members of the majority party D、chosen freely from the Congressmen and Senators
A、the nature of the cargo being carried B、changes in heading C、major structural repair D、All of the above
A、incorrect replacement of barrels and plungers of jerk pumps B、overheating of the nozzle orifices C、cracked pump housings D、dirt in the fuel
A、Guy failures B、Topping lift failures C、Bending of the boom from compression D、Gooseneck failure
A、guy failures B、topping lift failures C、bending of the boom from compression D、gooseneck failure
A、safety regulations B、technical regulations C、minimum requirements D、standard requirements