- graphical symbols for use on specific equipment
- 专用设备: rig; special equipment; spec ...
- 用: 40分钟跑完全程 run the course in 4 ...
- 图形: figure; graph
- 符号: character; sign; symbol; mar ...
- 设备用图形符号: graphical symbols for use on equipment--: symbols incorporating arrows; graphical symbols for use on equipment--common symbols for electric welding equipment; graphical symbols for use on equipment--common symbols for machine tools
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