单项选择题
A.visibility B.ability C.reliability D.capability
The ship can leave the port()the joint inspection.A.bef...
单项选择题The ship can leave the port()the joint inspection.
A.before B.after C.at D.from
The productivity of working shifts can be improved thro...
单项选择题The productivity of working shifts can be improved through a decrease of().
A.working hours B.gangs C.idle time D.weight per set
The patches where rust have been removed should be wipe...
单项选择题The patches where rust have been removed should be wiped clean before paint is().
A.applied B.supplied C.replied D.complied