A.with
B.has
C.have
D.had
您可能感興趣的試卷
你可能感興趣的試題
A.Apply ice-cold compress and renew every 4 hours
B.Commence artificial respiration immediately
C.Give enema
D.Pass catheter into bladder
A.prevent engine overheating
B.have proper air/gasoline fuel mixture ratio
C.be liquid- and vapor-tight
D.supply sufficient air to the intake manifold
A.When dead in the water,it is often difficult to find the neutral position and slight headway or sternway may result
B.When going directly from full ahead to full astern,there is complete steering control
C.When the vessel has headway and the propeller is in neutral,there is no effect on rudder control
D.When maneuvering in port,full ahead or astern power can usually be obtained without changing shaft RPM
A.annular blowout preventer
B.annulus
C.accumulator
D.automatic choke
A.flame arrestor
B.flame screen
C.detonation arrestor
D.detonation blocker
最新試題
A large metallic device,mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached),designed to prevent the passage of a rapidly moving flame through the piping is called a().
Permanent magnetism is found in().
A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be().
For the purposes of cargo oil containment,the fixed container under the manifold of an eight-inch loading line must hold a minimum of().
After sending a message describing the symptoms of an ill crew member,you receive a message containing the code MRL. This means().
A fire pump may be used for other purposes if().
A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a().
An inert gas system on a tanker should be used to().
A frame with two,or sometimes four,arms through which are threaded the guidelines and which is used to keep the drill stem and bit in line with the center opening in the temporary guide base is the().
It is not necessary to declare()in the Health List.