DF例句

The bearing strength of DF - 5 AS bimetal inlaid self - lubricating slide.
DF-5AS双金属镶嵌自润滑滑块的承载能力.

DF - 31 A is a more efficient way to counter their wild ambitions.
用DF-31A来对付他们的野性将更有效.

These parameters of DF group were lower significantly than STH group ( P < 0.01 ).
DF组较STH组各项指标显著改善 ( P<0.01 ).

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