Stow the derricks （）before sailing.A、fore and aftB、up and downC、port and starboardD、left and right
Stow the derricks （）before sailing.
- A、fore and aft
- B、up and down
- C、port and starboard
- D、left and right
相关考题：
Vessels transiting the Canal must have their gangways and derricks ________A.readjustedB.removedC.loweredD.rigged in
You have a quantity of bagged cargo to stow in a block in No.3 UTD．Which stow will provide the maximum block stability ________．A.Half-bag stowB.Bag-on-bag stowC.Alternate layer directionsD.Bilge and cantline
很多船上在每个舱口处都有两个吊杆及两台起货机。（）A、Many ships have two derricks at each hatch.B、Many ships have two winches at each hatch.C、Many ships have two derricks and two winches at each hatch.D、Many ships have two derricks and two winches at each hatch cover.
When we stow nylon rope, we can （）.A、stow it in strong sunlightB、cover it with tarpaulinsC、keep it on a reelD、keep it by itself
船舶离港之前，所有的吊杆必须纵向收放好。（）A、Before leaving the harbour, all derricks must be stowed.B、After leaving the harbour, all derricks must be stowed fore and aft.C、Before leaving the harbour, all derricks must be stowed fore and aft.D、Before leaving the harbour, all heavy derricks must be stowed fore and aft.
The cargo gear includes（）.A、derrick, winches, cargo ropes and wiresB、derricks, windlass, capstanC、hatch covers, derricks, windlassD、cranes, hatches, lashing wires
Before leaving the harbour, all derricks must be （）properly.A、tightenedB、securedC、unfastenedD、loaded
单选题船舶离港之前，所有的吊杆必须纵向收放好。（）ABefore leaving the harbour, all derricks must be stowed.BAfter leaving the harbour, all derricks must be stowed fore and aft.CBefore leaving the harbour, all derricks must be stowed fore and aft.DBefore leaving the harbour, all heavy derricks must be stowed fore and aft.
单选题集装箱是由龙门吊装卸。（）AContainers are loaded and discharged by gantry cranes.BCases are loaded and discharged by gantry cranes.CCases are loaded and discharged by heavy derricks.DContainers are loaded and discharged by heavy derricks.
单选题You have a quantity of bagged cargo to stow in a block in 3 UTD. Which stow will provode the maximum block stability ?（）.AHalf-bag stowBBag-on-bag stowCAlternate layer directionsDBilge and cantline
单选题Stow the derricks （）before sailing.Afore and aftBup and downCport and starboardDleft and right
单选题我们每航次拆卸一次吊杆。（）AWe dismantle the jumbo boom twice a voyage.BWe dismantle the derricks once a voyage.CWe examine the derricks once a voyage.DWe dismantle the heavy derricks once a voyage.
单选题Please swing the derricks （）wharf side.AtoBinCatDfor