cracker是什么意思
crackern.薄脆饼干(多为咸味,常与干酪一起食用);彩包爆竹,彩色拉炮(在英国用于圣诞聚会和聚餐,通常装有纸帽、小礼品及笑话纸条);(认为)十分愉快的事,滑稽可笑的事
Accident Analysis and Fire Safety Management in the Process of Cracker Production.
烟花爆竹生产事故分析及防爆安全技术管理。
The heavy oil catalytic cracker reduce the unit energy consumption analysis.
Application of vortex rapid separation technology in heavy oil catalytic cracker.
应用旋流式快分技术改造重油催化裂化装置。