The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite.

亚硫酸盐法制浆过程中活性化学物质是二氧化硫、硫酸以及酸性亚硫酸钙。

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The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite.

亚硫酸盐法制浆过程中活性化学物质是二氧化硫、硫酸以及酸性亚硫酸钙。

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