Pvc - covered conductors for overhead power lines 悬吊式动力线用聚氯乙烯覆盖导体
General technical condition of hanging pneumatic grab loader in shaft 井内悬吊式气动抓岩机通用技术条件
Histopathological study after the three sutures suspended intraocular lens implantaton in rabbits 悬吊式人工晶状体植入术后组织病理学研究
Slide projection , overhead projectors , test for minimum requirements for use in practice 幻灯放映机和悬吊式放映机.实际应用的最低试验要求
Safety requirements on suspended access equipment - design calculations , stability criteria , construction - tests ; german version en 1808 : 1999 悬吊式出入通道设备的安全性要求.设计计算稳定性标