ethyl hydrosulphide乙基硫醇
sodium hydrosulphide硫氢化钠;氢硫化钠;沉淀
sodium m hydrosulphide硫氢化钠
buy sodium Hydrosulphide Liquid秘鲁买家
Sodium hydrosulphide for industrial use工业硫氢化钠中硫氢化钠和硫化钠含量的测定
N（名词） any salt derived from hydrogen sulphide by replacing one of its hydrogen atoms with a metal atom 亚硫酸化合物 (Technical name hydrogen sulphide)