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41. | is a multiple of 7. 14 |
| 是7的倍数。 |
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42. | medium expansion foaming agent |
| 中倍数泡沫液 |
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43. | high-expansion foam extinguishing agent |
| 高倍数泡沫灭火剂 |
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44. | medium-expansion foam-generating equipment |
| 中倍数泡沫发生装置 |
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45. | high expansion foaming agent |
| 高倍数泡沫液 |
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46. | high-expansion foam system |
| 高倍数泡沫系统 |
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47. | static mechanical magnification |
| 静态机械放大倍数 |
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48. | high-expansion foam supply truck |
| 高倍数泡沫车 |
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49. | medium expansion foam extinguishing agent |
| 中倍数泡沫灭火剂 |
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50. | common-mode voltage amplification |
| 共模电压放大倍数 |
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