This is mainly because of the large amounts of electrical energy used in the extraction process. Aluminium oxide is insoluble in water, so it must be molten to act as an electrolyte. However ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果