coal-smokeless combustion

常见例句

When burning smokeless tasteless, has the light blue flame, does not have any supplement, the combustion time for ordinary original ebon coal 3 times (3-4 hour).
燃烧时无烟无味，有浅蓝色火苗，没有任何添加物，燃烧时间为普通原木树炭的3倍（3-4小时）。
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Mechanism analysis and emission measurement indicate that the NOx-suppressed smokeless coal combustion technique can reduce NO and smoke emission simultaneously and improve combustion efficiency.
抑制NO排放的无烟燃煤技术能够同时降低NO和烟黑的排放，提高燃烧效率。