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