深拔 meaning in English

deep cut

The fabrication of modified road asphalt by extracting paraffin from liaohe crude oil vacuumized residue
辽河原油的减压渣油深拔蜡并改性制取道路沥青
Technical research of microcrystal wax prepared by strengthened vgo no . 5 of yumen and it ' s commercial application
玉门减压深拔减五线生产微晶蜡的工艺研究及应用
Abstract : through deep vacuum distillation , the 90 high grade road asphalt meeting the standard of sinopec and the esso standard and the 70 high grade road asphalt meeting the standard of the ministry of communications and the national standard were directly produced with high gum and high asphalt saudi arab middle crude
文摘:大连西太平洋石油化工有限公司采用减压深拔技术，加工胶质、沥青质含量高的沙特阿拉伯中质原油，直接生产出符合中石化标准及埃索标准的90号等级道路沥青及符合交通部标准、国家标准的70号高等级道路沥青产品，为今后生产高等级道路沥青积累了有益的经验。