Acme
['ækmi](=Acme screw thread)英制梯形螺纹(顶角为29°)
热门单词
- a change of life
- abdominal muscle
- Able men are always busy
- abrasion cloth
- abrasion of coin
- absolute entropy
- absolute norm
- absorption chromatography
- absorption treatment
- abstract class
- abundantly
- accelerated service
- acceleration controller
- acceptance check
- acceptance letter of credit
- acceptance sampling plan
- accessory chromosome
- accident statistics
- accoucheur
- acet extract
- acetacetate
