bottoming hand tap
手用平底丝锥
热门单词
- American Type Culture Collection
- American war standards
- American white moth
- American wild mint
- American wormseed oil
- America online
- Americas
- americate
- americium
- americium alloy
- americium dioxide
- americium germanate
- americium hydroxide
- americium molybdate
- americiumtrichloride
- Americologue
- americum
- americyl
- americyl fluoride
- americyl ion
- Amerika
