19.In order to accelerate discharging of the main hatches, you are requested to arrange for two gangs of stevedores to work hatches Nos.2 and 4 (round the clock).
A.24hrs a day
B.16hrs a day
C.12hrs a day
D.8hrs a day
正确答案是A
19.In order to accelerate discharging of the main hatches, you are requested to arrange for two gangs of stevedores to work hatches Nos.2 and 4 (round the clock).
A.24hrs a day
B.16hrs a day
C.12hrs a day
D.8hrs a day
正确答案是A