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【判断题】
当室外日平均气温连续5d稳定低于0摄氏度时，砌体工程应采取冬期施工措施。( )A.
正确
B.
错误
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举一反三
【单选题】GMDSS is required for which of the followings?
A.
All vessels capable of international voyages
B.
SOLAS Convention ships of 300 gross tonnage or more
C.
Vessels operating outside of the range of VHF coastal radio stations
D.
Coastal vessels of less than 300 gross tons
【单选题】On which vessels is GMDSS required?______.
A.
All vessels capable of international voyages
B.
Vessels operating outside of the range of VHF coastal radio stations
C.
SOLAS Convention ships of 300 gross tonnage or more
D.
Coastal vessels of less than 300 gross tons
【单选题】GMDSS is required for which of the followings?
A.
All vessels capable of international voyages
B.
SOLAS Convention ships of 300 gross tonnage or more
C.
Vessels operating outside of the range of VHF costal radio stations
D.
Coastal vessels of less than 300 gross tons
【简答题】软镜适应时间为第一天戴 小时,第二天戴 小时, 天后可以在白天全日戴镜。
【单选题】GMDSS-equipped ships will be required to perform which of the following communications functions?
A.
Distress alerting and maritime safety information
B.
Search and Rescue coordination and on-scene communications
C.
Bridge-to-bridge and general radio communications
D.
All of these
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