ammonium hyposulphite硫代硫酸铵
sodium hyposulphite大苏打;大梳打;年夜苏打
sodium m hyposulphite大苏打
sodium hyposulphite bleaching连二亚硫酸钠漂白
dithionite hyposulfite hyposulphite连二亚硫酸盐
N（名词） another name for sodium thiosulphate, esp when used as a photographic fixer 硫代硫酸钠 (Often shortened to hypo)