A.managanese bronze
B.cast iron
C.mild steel
D.improved plow steel
您可能感興趣的試卷
你可能感興趣的試題
A.take
B.think
C.hand
D.get
A.with
B.by
C.on
D.in
A.in,at
B.at,on
C.on,by
D.to,before
A.encountered
B.faced
C.found
D.met
A.the specifications
B.the facts
C.the descriptions
D.the details
最新試題
The loading of the ship must be done in accordance with().
Bales close to the deckhead should be covered to prevent().
Shipboard Emergency Drills must be carried out at least()on board cargo ship.
In the Northern hemisphere northerly winds may cause temperature().
Which of the following shall not the officers in charge of the navigational watch do?()
When the wave period and the apparent rolling period are the same().
()is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
The mean draft of a ship is the draft().
Berthing means bringing a vessel to her berth until().
()is where the crew eat their meals.