單項選擇題These weights are（）the ship’s discharging facilities．
A.out
B.beyond
C.from
D.off
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1.單項選擇題The valve on the discharge side of a cargo pump on a tanker will usually be a（）.
A.butterfly valve
B.spectacle valve
C.check valve
D.globe valve
2.單項選擇題The tricing pendants should be released（）.
A.before the gripes are removed
B.before loading the passengers
C.after loading the passengers
D.after the boat is afloat
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They（）loading at 1400 hours．
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