According to the classification of F. L. Browne, the flame retardation mechanism of wood materials is expounded.

按F. L. Browne的分类法, 对木质材料阻燃机理作了比较详细的阐述.

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The researchers injected S - F - L - T - one into pregnant laboratory rats.

研究人员将 SFLT1 注射到怀孕的实验鼠身上.

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Danmark F . L . Smidth Company designed ATOX vertical roller mill in the milldle of 20 century.

20世纪中叶,丹麦史密斯公司设计了ATOX立式辊磨.

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