air bells escape valve
相关英语词汇推荐
- linear sweep
- down stroke,undershoot
- pulp purification
- singing split
- buff (ing) paper
- wood crib
- prosenchymatous cell
- florist crepe paper
- water absorption test
- ricing
- cheese roll
- dynamite paper
- button specks
- protective paper
- dandy marks,dandy worm
- abrasive
- setting mortar
- electronic probe sensor
- streww-strain tester
- settling off