约翰有洁癖，非常害怕细菌。John is compulsively neat and clean, he's terrified of germs.他嗜赌成癖，常常债台高筑。He was a compulsive gambler and often heavily in debt.她有洁癖，整天不是用吸尘器吸尘，就是擦来擦去。She's obsessively tidy, always hoovering and p...
提出胶管组合件的设计参数和要点.The designing parameters and the main points are offered.NBR胶板, 胶条,胶管, 胶棒. 硅胶板,条, 管.NBR sheet Plastic strips, hoses, Jiaobang . Silica gel plates, of the tube.将放喷和压井胶管与伸缩节连通.Connect the choke and kill lin...