A()isaboilerwherethewater／steamsidegetsheatinputbothfromthemainenginesexhaustgasandfromanoilfiredburnersupplementingtheheatinputtoproducetherequiredsteam。A、fire-tubeboilerB、auxiliaryboilerC、water-tubeboilerD、compositeboiler
题目
A()isaboilerwherethewater／steamsidegetsheatinputbothfromthemainenginesexhaustgasandfromanoilfiredburnersupplementingtheheatinputtoproducetherequiredsteam。
A、fire-tubeboiler
B、auxiliaryboiler
C、water-tubeboiler
D、compositeboiler