A.on
B.at
C.in
D.to
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A.for
B.by
C.at
D.to
A.Oxygen deficient spaces
B.Compartments containing poisonous vapors
C.Fighting fires that produce heavy smoke
D.Underwater search
A.weigh down the anchor
B.lubricate the anchor
C.repel dangerous fish
D.smooth the sea
A.soaking
B.settling
C.sinking
D.bedding in
A.datum
B.estimated position
C.search point
D.initial point
最新試題
The term BOLLARD PULL refers to a towing vessel’s（）.
The ship is bound（）Japan.
The process of waiting a period of time before pretensioning an anchor is known as（）.
The ship which strikes any other vessel is called the（）.
The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?（）
VHF Channel 6 is used exclusively for what kind of communications?（）
The indication of a slipping anchor is a(n)（）.
Which is NOT a part of an anchor?（）
Which is the most serious type of fracture?（）
Which hazard probably would NOT be encountered when entering an empty but uncleaned fish hold?（）