The high collecting strength and good selectivity of T-2K is explained using the theory of hard soft acid base and the theory of frontier molecular orbit.
用硬软酸碱理论和前线轨道理论解释了T -2K的高捕收能力和强选择性。
HONIC 400 is not only recommended for cylinder honing on hard, soft and close-grained cast iron but also for flat honing and lapping operations on gauge blocks and gudgeon pins.
雄力400不但推荐于硬质及软质铸铁的汽缸内径搪磨，还适用于块规的平面精磨及轴头销的研光工序。
Sure. What about this brand? It is supposed to be very good. They come in hard, soft and medium.
好的，这种牌子怎么样？挺不错的，分硬毛、软毛和中毛三种。
The brushes are classified into three groups: "Hard", "Soft" and "Both".
毛笔可分为三种：“软毫笔”、“硬毫笔”和“兼毫笔”。
The brushes are classified into three groups: "Hard", "Soft" and "Both".
毛笔可分为三种：“软毫笔”、“硬毫笔”和“兼毫笔”。
应用推荐