He is learning to develop the film negatives.他学洗相片.Color positive emulsions basically perform in the same way that color negatives do.彩色正片的彩色再现过程，基本上和彩色负片相同。Two negatives make an affirmative.两个否定构成肯定.In the past we have ...
Two new camps were readied for the absorption of refugees.为收容难民又备好了两个新营地。He was struck by the artists' total absorption in their work.他被艺术家对创作的全身心投入所打动。Protective gloves reduce the absorption of chemicals through th...
Please bind fast; it is loosing.绑紧点, 它要松了.Cause: machinery of doubling: as a printing plate or blanket loosing.原因: 机械重影: 由于印版或橡皮布松动.The rate of fusion 3 - 6 months after operation was 100 %, no fixture rupturing or loosi...