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