单词	downcomer
释义	downcomer noun : a pipe to conduct something downward: such as a : a pipe for leading the hot gases from the top of a blast furnace downward to the dust collectors and flue system b : a tube larger in diameter than the water tubes in some watertube boilers to conduct water from each top drum to a bottom drum under the influence of thermal circulation Word History Etymology down entry 2 + comer
随便看	oligophagous oligophagy oligopliteses oligoplitesses oligopod oligopolies oligopolist oligopolistic oligopoly oligopori oligoporuses oligoporusses oligopsonies oligopsonist oligopsonistic oligopsony oligopyrene oligosaccharide oligosaccharides oligosaprobic oligosiderite oligospermatic Oligotricha Oligotrichida oligotrichous

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