A、no combustion
B、deposits in the fuel
C、excessive air in the fuel
D、cold fuel oil
更多“A dazzling white burner flame in the boiler furnace indicates （）.”相关的问题
A、Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown B、Blue, blue/white, orange/white, orange, brown/white, brown, green/white, green C、Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown D、Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white
A、Orange & orange/white on pins 1 & 2 B、Blue & blue/white on pins 4 & 5 C、Orange & orange/white on pins 4 & 5 D、Brown & brown/white on pins 1 & 2 E、Green & green/white on pins 3 & 6
A、域控制器RECOMPANY.COM和域控制器WHITE.COMPANY.COM是复制的两个直接参与者 B、在WHITE.COMPANY.COM上发生的原始修改还没有被复制到RE C、RECOMPANY.COM发生一些改变而WHITE.COMPANY.COM没有的这些改变 D、可能在RECOMPANY.COM和WHITE.COMPANY.COM之间不需要复制修改
A、red light over a white light B、green light over a white light C、yellow light over a red light D、white light over a green light
A、white light whose characteristic is Morse (A) B、group-occulting white light C、composite group-flashing (2 + 1) white light D、composite group-flashing (2 + 1) red or green light
A、a red light over a white light B、a white light over a red light C、a green light over a white light D、two red lights in a vertical line
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