access opening
检查孔检查口检修孔
热门单词
- abrasive cut-off wheel
- absolute age
- absolute refractive index
- abstinence theory of interest
- abundant precipitation
- acanthoma tropicum
- accelerated angina
- accelerator nerve
- accelerator rod
- accent plant
- acceptable defect level
- account classification
- Acetobacter
- Acheulean
- acoustic lattice vibration
- acoustical filter
- acousto-optic filter
- acroerythema
- acromioclavicular ligament
- across
- actinomycosis of heart
