“horizontal return tubular boiler”的概念、定义、翻译、参考文献-科学参考

单词	horizontal return tubular boiler
释义	horizontal return tubular boiler [´här·ǝ`zänt·ǝl ri`tǝrn ¦tü·byǝ·lǝr `bȯil·ǝr] ^{MECHANICAL ENGINEERING} A fire-tube boiler having tubes within a cylindrical shell that are attached to the end closures; products of combustion are transported under the lower half of the shell and back through the tubes.
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