您要查找的是不是:
- methane n. [化]甲烷;沼气
- methinks vi. [古]据我看来;我想;我以为
- methadone n. [药]美沙酮(镇痛剂)
- methanol n. 甲醇(methyl alcohol)
网络短语:
urea methanal 尿甲醛
methanal preparation 甲醛制备
methanal sodium bisulfite 甲醛次硫酸氢钠
urea methanal preparation 尿甲醛制备
methanal absorbent solution 甲醛吸收液
hypothermia methanal steam 低温蒸汽甲醛
methanal plus potassium permanganate fumigating 甲醛熏蒸法