?硷液煮练
... 硷中毒 alkali poisoning; alkali-poisoning 硷液煮练 lye boil 硷中毒性手足搐搦 tetany of alkalosis ...
苎麻脱胶碱液煮练
First, you dig up bauxite which you then crush and boil in sodium hydroxide (lye, or caustic soda).
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