echelon folds,en echelon fold
相关英语词汇推荐
- unanimous resolution
- Strategic Missile
- site area
- drilling speed
- mill scale
- stack mounting
- foremost
- DC receiver
- snubbing cementing
- preheat train of distillation unit
- fucosite
- midrib
- servo-lubrication
- dysoxidation
- core axis
- finite decimal
- FAST plot
- pursuance
- hysteresis coefficient
- maximum recording thermometer