Long - term exposure to this medicine may sensitize you to the allergen.长期使用这种药可能会使你易于过敏.When the immune system encounters an allergen , it may become sensitised.当免疫系统发现了过敏原就会致敏.To investigate the allergen distribution a...
将这张校样重新涂以重铬酸盐乳剂.The proof is recoated with dichromate emulsion.是光敏树脂 、 感光乳剂 、 合成树脂的良好稳定剂.It is the good stabilizer of photosensitive resin, sensitive emulsion, synthetic resin.介绍了可能用于脱环烷酸的中和剂 、 破乳剂及表面活性剂.Some neutralizat...
Old pressings and new releases offer unlimited choice of artists and repertoire, often for modest cost.新加旧的发行提供了无限的音乐选择, 而且通常所费无几.But the system requires several successive pressings after crumbling and turning over of p...