double filter
相关英语词汇推荐
- vacuum(-pan) evaporator
- Radiation damage to the crystal
- cathode efficiency
- annealing ore
- cement pattern
- scaffold bridging
- arc welding with consumable
- drawn in scale
- filling
- flash plating
- shot well
- tinplate mill
- superduty silica brick
- stiffener
- aluminizing
- laminate composite
- blind riser
- congruent melting point
- residual magnetism
- waist