55°英制圆锥管螺纹切线平板牙
55 inch thread tagential die for taper pipe
热门单词
- AC voltmeter
- access balcony
- accident reporting
- accidental evolution
- accidental sampling
- accrescent
- acetaminophen
- achromatopsy
- acid storage tank
- acidophilic cell
- acrophobia
- across-the-line starter
- acrylic polyurethane coating
- acrylic socks
- activated fibre
- activization
- acyloin condensation
- additional load
- additional building
- additivity
- adductor muscle
