The most modern type of dry cargo carrier is().
A、multi-purpose ship
B、the container ship
C、bulk carrier
D、general cargo ship
A、multi-purpose ship
B、the container ship
C、bulk carrier
D、general cargo ship
A、a modern diesel engine;a turbine wheel B、a modem diesel engine;exhaust gases C、a compressor;an exhaust gas turbocharger D、a compressor;a turbine wheel
A、The bow type shackle provides a superior connection B、The D-type shackle is weaker than the bow type C、The bow type shackle is weaker than the D-type D、The D-type shackle provides an inferior connection
A、electromagnetic field, revolving armature type B、electromagnetic field, oscillatory armature type C、armature, oscillatory electromagnet field type D、armature, rotating electromagnetic field type
A、A.of the diaphragm type B、B.of the centrifugal type C、C.of the positive displacement type D、D.independently driven by electric motors