How To Use Donkey boiler In A Sentence

• The reliability lab ship fuel oil donkey boiler controlled by relay control system is evaluated using counting method, and mean time to failure (MTTF) of the control circuit is educed.
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• Various pieces of pipework and valves project into the tunnel from the end of the donkey boiler and plenty of light enters the tunnel through breaks in the plates and triangular ends forward and aft.
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