They are mainly used in printing inks, reflecting coatings, anti - erosion and so o.
此类产品主要用于印刷油墨、反光涂料、纸张涂料及防腐涂料等。
They are mainly used in printing inks, reflecting coatings, anti- erosion and so on.
此类产品主要用于印刷油墨、反光涂料、纸张涂料及防腐涂料等。
The true bill have the rules in magnetism distributing, infrared penetrating and infrared printing ink reflecting. But counterfeit money have only one of these laws or have not any one.
真钞的磁性分布、红外穿透及红外油墨吸收反射都具有一定的规律，而伪钞要么只具有某一方面规律要么不具有任何规律。
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