热带型旋转电机环境技术要求
Environmental technical requirements of rotating electric machines for tropical use
检测标准
经穴名称与定位
Vomenclature and location of meridian points
1:25 000 1:50000 1:100 000地形图航空摄影测量内业规范
Specifications for aerophotogrammetric office operation of 1:25 000 1:50 000 1:100 000 topographic maps
国家基本比例尺地图编绘规范 第3部分:1:500000 1:1000000地形图编绘规范
Compilation specifications for national fundamental seale maps Part 3:Compilation specifications for 1:500000 1:1 000 000 topographie maps
高电阻电热合金
High resistance alloys for electrical heating
国家基本比例尺地图编绘规范 第2部分:1:250000地形图编绘规范
Compilation specifications for national fundamental seale maps Part 2:Compilation specifications for 1:250 000 topographic maps
钢丝绳弯曲疲劳试验方法
Steel wire ropes-Bending fatigue testing
1:25 000 1:50000 1:100000地形图航空摄影测量外业规范
Specifications for aerophotogrammetrie field workof1:25 000 1:50000 1:100000 topographic maps
国家基本比例尺地图编绘规范 第1部分:1:25000 1:50000 1:100000地形图编绘规范
Compilation specifications for national fundamental scale maps Part 1:compilation specificationsfor 1:25 000 1:50 000 1:100000 topographic maps
电能质量 供电电压偏差
Power quality-Deviation of supply voltage
