| 英文名称: | | lene-manuf.-by-product piperylene-cut alkenes and steam-cracked petroleum disti | | llates | | alkenes, ethylene-manuf.-by-productdicyclopentadiene-conc., polymers with ethylene-manuf.-by-productpiperylene-cut alkenes and steam-cracked petroleum distillates |
|
m.cnreagent.com