A、A.atmosphere
B、B.the fresh water
C、C.compressed air
D、D.chemical compounds
更多“The fuel pipes and ducts should be blown with （）.”相关的问题
A、high cost of fuel B、serious fire hazard C、possibility of pollution D、poor combustion which will occur in that cylinder
A、avoid unnecessary pints inventory B、keep torsional vibration constant C、use existing supports and braces D、maintain specified injection characteristics
A、A.the fuel tank fill pipe should be left open to allow vapors to vent from the tank B、B.the engine should be started immediately to prevent vapor lock in the fuel line C、C.all hatches should be opened and all compartments should be ventilated D、D.open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
A、After stopping supplying sludge oil, the value and pipe should be flushed by flushed by diesel oil and the incinerator continue burning for 10 minutes B、Close auxiliary burner firstly and then close main burner C、After stopping fuel, restoring the position of main fuel supply valve D、Stop blower as soon as stopping supplying fuel oil
A、fuel manifold B、lubricating pipe line C、auxiliary engine pipe line D、generator output line
A、filling a partially filled tank B、using fuel from a pressed fuel tank C、emptying a partially filled tank D、transferring pipe from the setback area to the pipe rack
A、A.Both seamless mild steel and copper may be used for middle pressure steam B、B."hpair" means high pressure air C、C.The feed piping of the boilers can be made of seamless mild steel D、D.All oil pipings are made of mild steel
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