When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by()
A. adjusting the position of the intermediate bearing
B. changing the position of the main engine installation
C. adjusting the center line of the propeller
D. changing the position of the thrust block
查看答案
由于转运型结点处于运输线上,以转运为主,因此货物在此转运型结点上()的时间短。
A. 运转
B. 储存
C. 停滞
D. 消耗
进口剧毒品由口岸站填写剧毒品专用运单两份,一份口岸站留存,一份随联运运单到站存查。
A. 正确
B. 错误