The disease was brought by Westerners after the Cheng - te period of the Ming dynasty.明朝正德以后,这病由洋人带来.Utahans are also Westerners, people with a wide respect for individual liberty.犹他州人也是西部人, 对个人自由有广泛尊重.Why most westerner...
The emulsion acrylic glueing agent SL 407 was prepared with polymerization process of pre - emulsifying and whole dropping.采用预乳化全部滴加的聚合工艺,制备乳液型丙烯酸酯类水性台板胶.Beeswax acts as an emulsifying agent.蜂蜡起到乳化剂的作用。No colloid, surfac...