| 单词 |
law of constant proportion |
| 释义 |
law of constant proportion- 英?[l?: ?v ?k?nst?nt pr??p?:??n]
- 美?[l? ?v ?kɑnst?nt pr??p?r??n]
英英释义Noun1. (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight
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