【单选题】
Generally the gudgeon pin is fully floating in both connecting rod small end and ().
A、the crosshead
B、the crankshaft
C、large end
D、the piston bosses
A、the crosshead
B、the crankshaft
C、large end
D、the piston bosses
A、the most common method used in the United States B、too expensive for common use C、generally safe to sea life D、generally harmful to sea life
A、predicted in Tidal Current Tables B、unpredictable C、generally constant D、generally too weak to be of concern