电机出故障了.There is something wrong with the motor.转盘由一根传动带与电机相连。The turning disc is connected by a drive belt to an electric motor.离心机不通过调速箱直接与电机驱动装置相连.Centrifugal machines are connected to the motor drive directly instead ...
His tirelessly and talk, told about the course that the and technology on laterite ground progresses.他娓娓而谈, 讲述了红土地上科技进步的历程.Bushes, spreading waves of insects sound, they tirelessly played with a paean to life, then!草丛里传来...
生我3个儿子时，我每次都出现产后大出血。I haemorrhaged badly after the birth of all three of my sons.他在大出血。He was bleeding profusely.用于治疗大出血型中风的外科新技术也在研制之中.And new surgical techniques are also being developed for hemorrhagic strokes....