A.icebreaker support is finished
B.icebreaker support is commencing
C.the icebreaker is icebound
D.the icebreaker is beset
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A.I am altering my course to starboard
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D.My vessel is stopped and making no way through the water
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最新試題
An advantage of the Christmas Tree towing method is to（）.
All OSV personnel should be familiar with survival craft（）.
An engine compartment gasoline fire requires which type of extinguisher?（）
An icebreaker displaying a flag hoist which consists of the code letters “WO” (Whiskey Oscar) is indicating that（）.
An all-round flashing yellow light may be exhibited by a(n)（）.
Antiseptics are used principally to（）.
An “on-load” release system on a survival craft means the cable can be released（）.
An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.
All Loran-C transmitting stations are equipped with cesium frequency standards which permit （）.
An example of a grade B product is（）.