单选题
发布日期:2021-03-22
prevent soot fires in the exhaust system
prevent exhaust gas erosion of the tubes
increase the velocity of exhaust gas flow
increase the rate of heat transfer
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Fins are installed on the generating tube surfaces in waste heat boilers to ().
Fins are installed on the generating tube surfaces in waste heat boilers to ().
Fins are installed on the fireside of water-tubes used in waste boiler to()
Fins are installed on the fireside of water-tubes used in waste boiler to()
Piston cooling fins are located()
Piston cooling fins are located()
Which is the MOST effective method for generating support for your project plan?...
Generating tubes in waste heat boilers are finned to ().
Generating tubes in waste heat boilers are finned to ().
Which equipment is the primary source of generating a locating signal?()