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| 41. | pocket magnetometer |
| 袖珍磁力仪 |
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| 42. | A small pocketknife. |
| 一种袖珍折刀 |
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| 43. | HIRA (Handheld Infrared Alarm) |
| 袖珍红外报警器 |
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| 44. | maintenance handbook |
| 维护手册,维修手册 |
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| 45. | hand surveying camera |
| 袖珍测量照相机 |
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| 46. | pocket battleship |
| 袖珍战舰 |
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| 47. | midget lightship |
| 袖珍灯艇 |
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| 48. | universal pocket transit |
| 通用袖珍经纬仪 |
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| 49. | midget-car racing |
| 袖珍汽车赛 |
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| 50. | comb, pocket, of precious metal |
| 袖珍梳,贵金属制 |
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