首先利用原油实沸点蒸馏数据将原油切割为一定数目的虚拟组分，并以此作为常减压装置初馏塔的输入。
First of all, crude oil was cutting into several pseudo components which act as input of primary tower according to its true boiling points data.
场地清表、地基处理、初平和终平、开挖、回填及压实。
Site stripping, subgrade preparation, rough and finish grading, excavation, backfill and compaction.
在水曲柳实生苗根尖的初代培养中，选用15种不同的消毒剂对水曲柳实生苗根尖进行消毒处理。
During the first culture, 15 different disinfectors were used for surface-sterilizing of seedling root tips.
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