Remove the hidden air in molten glass as catalyzer in polyester fibre.作为消泡剂用于熔化玻璃清除气泡.It is used in baking the beehive catalyzer in exhaust gas purify organ of auto.该窑炉用于汽车尾气净化器催化剂焙烧.A new process and high effective cata...
Remove the hidden air in molten glass as catalyzer in polyester fibre.作为消泡剂用于熔化玻璃清除气泡.Application: Mainly used as a polymerization catalyzer in chemical and medicine industry.用途: 广泛应用于化工机医药领域,聚合催化剂.It is used in baking t...
To ease the situation, your child's pediatrician may recommend adenoidectomy.为解决这个问题, 儿科医生会推荐做腺样体切除术.Objective To evaluate the advantages of utilizing endoscope in adenoidectomy.摘要目的探讨鼻内镜下经鼻腺样体切除术的疗效和优缺点.Conclusion:...
1875年,来自东部的拓荒者在这个地区定居下来.Pioneers from the East settled in this region in 1875.约翰. 肯尼迪为新拓荒者精神的典型人物.John F . Kennedy typified the new frontier spirit.《拓荒者》引出了库珀笔下最有名的两个人物.The Pioneers introduced Coopers two best - known cr...