装载机作业前应先无载运转3-5分钟,确认一切正常后,方可作业。
参考答案:对
My grandfather, who the World War Two, likes to talk to us about his experience.
A.went through
B.got through
C.went out from
D.came out of
在我国设立常驻代表机构必须经国务院批准,在国家对外经济贸易部登记后才能开展业务活动。