Basically the bedplate consists of two (),
问题:
Basically the bedplate consists of two (), which run the length of the engine.
A.longitudinal girders
B.transverse girders
C.fore girders
D.aft girders
Basically the bedplate consists of two (), which run the length of the engine.
A.longitudinal girders
B.transverse girders
C.fore girders
D.aft girders