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| 拍隆 | |||
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| 派朗辐射热量单位，= 1卡/(秒厘米2) | |||
| 派朗 | |||
| 派朗 (电磁辐射强度单位，等于每分钟每平方厘米内1卡) | |||
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pyron : 5 phrases in 3 subjects |
| Metallurgy | 3 |
| Oil / petroleum | 1 |
| Technology | 1 |
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