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41. | impulse register |
| 脉冲寄存器脉冲计数器 |
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42. | impulse counter |
| 脉冲计数量 |
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43. | impulse cylinder |
| 脉冲缸 |
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44. | impulse tachometer |
| 脉冲式转速计;脉冲转数计;脉动转数计;冲击式转速计 |
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45. | impulse discharge |
| 单次放电 |
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46. | impulse reflection |
| 脉冲反射 |
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47. | impulse labelling |
| 脉冲标记术 |
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48. | impulse signalling |
| 脉冲传信 |
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49. | impulse microphone |
| 脉冲传声器 |
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50. | impulse transfer |
| 脉冲变换 |
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