问题
单项选择题
The total berth time for a vessel can be reduced through a reduction().
A.of working gangs
B.of idle time
C.in productivity of the working shifts
D.of working hours each working day
答案
参考答案:B
The total berth time for a vessel can be reduced through a reduction().
A.of working gangs
B.of idle time
C.in productivity of the working shifts
D.of working hours each working day
参考答案:B