low-grade combustion 缓慢燃烧
The radiative heat transfer coefficients of the immersed tude within the operating conditions of the fluidized bed combustion boiler with low grade coal are also discussed.
文中尚对劣质煤沸腾燃烧锅炉中的埋管辐射放热系数进行了讨论。
It could meet the first combustion grade of the Japanese standard (JISD 1201-77).
此类装饰板的氧指数值可以达到日本标准(JIS D 1201—77)中的难燃等级一级。
A new field is opened up to improve the grade of the paint used specially for internal combustion engine in our country.
为提高我国内燃机漆的档次开辟了新的领域。
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