词汇	double face ribbon
释义	double face ribbon 双面缎带
随便看	preliminary distillation preliminary distribution preliminary dive preliminary document review preliminary draft Preliminary Draft Environmental Statement Preliminary Draft Presidential Memo preliminary drawing preliminary drawing for later elaboration preliminary drawings preliminary drying preliminary due diligence Preliminary Early Warning System preliminary edition preliminary education preliminary effect preliminary election preliminary electrolysis preliminary elevation preliminary elongation preliminary energization preliminary engineering Preliminary Engineering Authorization Preliminary Engineering Change Proposal preliminary engineering development mode