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| 21. | cartographic grid |
| 制图格网 |
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| 22. | grid micrometer |
| 网式测微计 |
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| 23. | grid potentiometer |
| 栅极电位器 |
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| 24. | antidiffusion grid |
| 反扩散栅格 |
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| 25. | geographic grid |
| 地理坐标网 |
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| 26. | rectangular grid |
| 直角坐标网 |
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| 27. | managerial grid |
| 管理方阵 |
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| 28. | bathythermograph grid |
| 海水深度温度自动记录仪坐标方格 |
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| 29. | regenerator grid |
| 再生器分布板 |
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| 30. | reciprocating grid |
| 摇筛|往复运动筛 |
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