A.no spark or flame is required to ignite gas or vapor
B.a fuel begins to give off explosive vapors
C.a fuel if ignited will continue to burn
D.a 1% mixture of the fuel with air will explode
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A.clear syrupy liquid with no odor
B.colorless-to-brown liquid with a choking odor when hot
C.colorless liquid with a pleasant fruity odor
D.whitish liquid with a faint，pleasant odor
A.to the master
B.the charterer
C.the merchant
D.receiver
A.in
B.of
C.on
D.with
A.have
B.make
C.take
D.receive
A.permitted for drawing fuel samples
B.permitted for draining fuel from lines
C.permitted for bleeding air from lines
D.prohibited
最新試題
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