hydrogenantadj.加氢的
hydrogenn.氢
hydrogenated oil and fat氢化油脂
hydrogen-oxygen plasma氢氧等离子体
hydrogen content of coal煤中氢
hydrogenated soybean oil氢化豆油
hydrogenation compressor加氢压缩机
hydrogen measuring meter测氢仪
hydrogen fluoride/USY氟化氢/USY分子筛
hydrogen chain compounds氢链化合物质
hydrogenated naphthalene氢化萘
hydrogen relief tratment脱氢处理