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