He demobilized recently and he plans to start a business.他刚刚复转,打算自主创业.After the war the soldiers were demobilized.战后军人都遣散了。I spent one year in the service and did not come back to the United States until after I was demo...
Amphoteric monomer is prepared with acrylic acid , dimethylamine and chloroethanol by Mannich reaction.以丙烯酸、二甲胺、环氧氯丙烷为原料,通过曼尼希反应制得两性离子单体.Biological activities of amphoteric surfactants to higher or lower organisms were i...
阳极母线的限位器支架的位置度.Positioning of brackets for anode beam limit - switches.设计制作了基础隔震软碰撞限位实验模型与软碰撞限位器.In this paper, the experimental model of soft - collision limiting displacement in base isolation is proposed....