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