A. 4根/人 B. 6根/人 C. 7根/人 D. 8根/人
A. Less fuel consumption per SHP B. Diesel fuel costs less than bunker C or its equivalent C. Less routine maintenance required D. Less weight per SHP
A. 1件/站 B. 2件/站 C. 3件/站 D. 4件/站