| 单词 | wool grease |
| 例句 | This, however, is unsaponifiable, and cannot be made into soap; at the same time when it gets into, as it does, the recovered wool grease it spoils the latter for soap-making purposes. The Dyeing of Woollen Fabrics These two fatty acids find their way into the recovered wool grease but the potash salts are lost, while they would be valuable for various purposes if they could be recovered. The Dyeing of Woollen Fabrics |
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