Natural gas liquification involves both mixed - refrigerant cycle and nitrogen expander cycle.近几年国内天然气液化技术主要采用混合工质液化循环和氮膨胀液化循环.The Catalyst that is suitable for Shenhua coal liquification was found out through experiment...
But the president also has a pragmatist's suspicion of ideology.但是奥巴马对于政治理想也有着实用主义者的怀疑.Skull and crossbones stickers on the drums aroused the suspicion of the customs officers.这些桶上贴着的骷髅标志引起了海关官员的怀疑。Absolutely cheate...
Disfiguring subcutaneous lesions bulge onto the surface and at intervals discharge pus.皮下损害的形象是向表面凸起,并间断地分泌出脓液.The ecchymotic subcutaneous tissue has been removed.切除了瘀血的皮下组织.Infected mandibular, parotid and anterior cerv...