dichlorobenzene造句
2024年04月22日 08:06:02
The producing technology ofp -
dichlorobenzene especially the catalysts are described in this thesis.
本文介绍了国内外对二 氯苯 生产技术特别是催化剂方面的最新进展.
The p
dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.
用红外光谱法测定了防蛀剂中对二氯苯和萘的含量.