二级架空明线干燥天气线对地绝缘电阻应≥()MΩ/KM。
A.20
B.25
C.50
D.55
参考答案:A
但丁是文艺复兴的先驱。他的代表作是
A.《哈姆雷特》
B.《神曲》
C.《最后的晚餐》
D.《罗密欧与朱丽叶》
If EGC receiver shares a same antenna with INMARSAT MES, it means that it can receive MSI().
A.from any INMARSAT satellite
B.via any appropriate Navtex and EGC station
C.via the satellite the MES is tracking
D.from any RCC and coast station