船舶蓄 电池装置
Marine battery installation
检测标准
船舶驾驶室集中控制台(屏)
Marine bridge control console (panel)
钢渣矿渣硅酸盐水泥
Steel slag and granulated furnace slag portland cement
锌及锌合金废料
Scraps of zinc and zinc alloy
铅及铅合金废料
Scraps of lead and lead alloy
铜 及铜合金废料
Scraps of copper and copper alloy
印制电路网格体系
Grid systems for printed circuits
100~1000MHz接力通信系统的 容量系列波道配置及设备的主要 技术要求
Capacity series and radio-frequency channelnarrangement and equipment main technical specifications for 100~1000 MHz radionrelay communication systems
人工煤气
Manufactured gas
城镇燃气分类和基本特性
Classification and basic characteristics of city gas
