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SUBJECTS (1-2 共 2)
Stokers, Mechanical.
1 Burning Washington coals on different types of domestic stokers in the same hot-water boiler : compa Washington, D.C. : U.S. G.P.O., 1949. 1949 评级: 复本
2 Underfeed combustion, effect of preheat, and distribution of ash in fuel beds Nicholls, P. (Percy), 1870-1942. Washington : U.S. G.P.O., 1934. 1934 评级: 复本
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Burning Washington coals on different types of domestic stokers in the same hot-water boiler : compa