单项选择题
A.should be stopped manually B.keeps the combustion as usual C.would be cut off by an interlock D.would replace the waste oil burner and keep going on
The solid waste was charged into the incinerator throug...
单项选择题The solid waste was charged into the incinerator through （）.
A.the solid waste dump chute B.an access door C.the same way for waste oil burners D.a changing opening
If plastic film insulation becomes damaged in air condi...
单项选择题If plastic film insulation becomes damaged in air conditioning system, （） may form within the film.
A.evaporation B.condensation C.liquefies D.vaporization
Under tropical conditions, control valves have fully op...
单项选择题Under tropical conditions, control valves have fully opened, but the room still hot.What measures can be taken in such a case?（）
A.Keep the plant running all time B.Start another blower C.Increase the ratio of circulated to fresh air D.Reduce the seawater flow to the condenser
