“lube base oil”簡單造句，lube base oil造句子

No. 1 standard oil for rubber test was formulated by lube base oil from a deep-refining paraffinic crude blended with vacuum side streams.

Progresses in design, techniques and engineering development of domestic residue hydrodesulfurizing unit, hydrocracking unit and lube base oil hydrotreating unit were summarized.

The industrial tests were performed on lube base oil production with vacuum cut 2, cut 3, cut 4 and light deasphalted oil from Sandi light crude oil.

Study on process conditions for producing lube base oil from vacuum fractions