Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.It is infrequence in China that the weld high - temperature high - pressure hydrogenation pipe ...
I gave an affidavit to the judge about the accident I witnessed.我向法官提交了一份关于我目击的事故的证词.The affidavit was formally read to the court.书面证词正式向出席法庭的人宣读了.Can I have a look at the Affidavit of Support?我能看看书面担保书 吗 ?...