A.lubricating oil
B.lubricating oil systems
C.strainers
D.cartridges
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A.installations
B.basket strainers
C.a cylindrical container
D.a metal or wire basket
A.dampers
B.filters
C.stopper circuits
D.separators
A.check valve
B.non-return valve
C.steam trap
D.quick closing trap
A.stop valves
B.non-return valves
C.quick closing valves
D.relief valves
A.a pressure reducing valve
B.a pilot valve
C.an operating piston
D.downstream pressure
最新試題
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
If separating effect is not good, which measure should be taken （）
（） is not installed on the main switchboar.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Under MARPOL Code the ship to which it applies has to carry （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The condensers located in various stages of a flash evaporator are cooled by（）