筒状环形防喷器的壳体、压盖均为合金钢锻件,胶芯总成由()及合金钢加工形成的上、下骨架 发布时间:2017-10-16 21:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 筒状环形防喷器的壳体、压盖均为合金钢锻件,胶芯总成由()及合金钢加工形成的上、下骨架硫化成一体。A.乙丙橡胶和弹簧片B.丁腈橡胶和乙丙橡胶C.丁腈橡胶和弹簧片D.丁腈橡胶和支撑筋
题型:单项选择题 An activity for love was held ________ those who were killed in the Wenchuan Earthquake in 2008.[ ]A. in memory of B. in place ofC. in search of D. in favor of 查看答案
题型:单项选择题 患儿,7个月。泄泻10多天,经用抗生素治疗,泄泻已止,但口舌出现散在白屑,红晕不著,口干不渴,手足心热,舌红苔少。治疗应首选A.导赤散B.泻黄散C.知柏地黄丸D.竹叶石膏汤E.清热泻脾散 查看答案