()LOW ELY SLWLY WITH COLD FRONT FM CEN TO 12N 179W AND WARM FROM FM CEN TO 11N 171W.
A、SHLW
B、SCTD
C、OBS
D、SW
A、SHLW
B、SCTD
C、OBS
D、SW
A、A.low exhaust temperature B、B.low exhaust pressure C、C.mechanical knock in each cylinder D、D.black or gray exhaust smoke
A、high exhaust temperature B、low exhaust temperature C、fuel knock in each cylinder D、mechanical knock in each cylinder
A、carry low density cargoes B、protect fragile cargoes C、stow cargoes with concentrated weights such as machinery D、carry cargoes of very low stowage factors