The bridge should inform the engine room before passing through congested or shallow waterway（） ["24 hours","2 hours","1 hours","15 minute"]
（）将最终实现任何人在任何时间、任何地点获取和处理任何信息的个人通信理想境界。 ["移动电话通信","计算机通信","移动数据通信","互连网业务"]
Do you know（）. ["Where is the chief officer","Where the chief officer is","Is where the chief officer","The chief officer is where"]
作出行政处罚决定之前，不依法向当事人告知给予行政处罚的事实、理由和依据，或者拒绝听取当事人的陈述、申辩，行政处罚决定（） ["A.无效","B.不能成立","C.可撤销","D.有效"]
汽轮机运行中，其汽缸受哪些作用力？这些作用力在汽缸内产生什么样的应力状态？这些作用力在什么条件下最大？它们对汽缸安全工作有何影响？在运行中如何保证汽缸安全工作？
传动系统主要检查哪些内容？
