比较小区表和路测数据中相同CGI（MCC、MNC、LAC、CI）小区的（）参数是否一致。如果这两个参数中有一个参数不一致，则小区存在异常。
A. C/I
B. TA
C. UARFCN
D. CPI
查看答案
Fire protection and manning regulations for towing vessels state that the Master or person in charge must ensure that all crew members who have not participated in the drills or received the safety orientation（）.
A. receive a safety orientation or view a videotape before the vessel gets underway
B. view a videotape on safety procedures within 48 hours of reporting for duty
C. receive a safety orientation within 24 hours of reporting for duty
D. none of the above
低温阀门指使用场合介质温度高于（）CC的阀门。
A. -40~-100
B. -50~-100
C. -50~-150
D. -40~-150
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