单项选择题
A.riser stabilizers B.guideline tensioning system C.riser tensioning system D.guideline stabilizers
To（）sanitary water from any vessel，an application shall...
单项选择题To（）sanitary water from any vessel，an application shall be made to Harbor Authorities for approval.
A.discharge B.recircle C.load D.take in
These weights are（）the ship’s discharging facilities．A....
单项选择题These weights are（）the ship’s discharging facilities．
A.out B.beyond C.from D.off
The valve on the discharge side of a cargo pump on a ta...
单项选择题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
