如图 12-3 帕斯卡定律可用液压机的作用来说明.Pascal's law is illustrated by the operation of a hydraulic press, shown in Fig 12 - 3 .本公司专业生产各种类型的液压机及其配套模具.The company specializes in producing all types of hydraulic and supporting die.我...
MEI Shi - long , 1991 . Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian, Hebei . Unpublished Ph. D thesis of Peking University.武桂春, 2003. 鲁西地区晚寒武世牙形石. 北京大学博士研究生学位论文....an unpublished PhD thesis...
汽车有动力转向和中枢锁闭系统.The car has power steering and a central locking system.转矩扳手需按期校准, 并保留橡皮布锁闭编制状况精良.Torque wrench required periodic calibration, and keep the blanket latching system in good condition.Magnalocks经常被用来锁闭紧急逃离路径...
方法: 应用两点电凝基底动脉的方法制作鼠脑干缺血动物模型.Method: The models were made by coagulated basilar artery at two points.冷凝 、 电凝及多次手术均刺激PVR形成.Cryopeaxy, diathermy and repeat operation can render the formation of the PVR.结果全部患者经双极电凝止血后,均痊愈.R...