氰化氢hydrogen cyanide
双氧水稳定剂hydrogen peroxide stabilizer
电解水制氢设备water-electrolytic hydrogen making equipment
过氧化氢hydrogen peroxide
【化】 氢气阻火器hydrogen gas fire arrester
过氧化氢hydrogen peroxide
超纯氢发生器ultra-pure hydrogen generator
用稀土金属储存氢preserve hydrogen with rare earths