abrupt change of cross-section
断面突变截面突变
热门单词
- above norm
- abrasiometer
- abscess of seminal vesicle
- absolute rent
- abstract mechanism
- AC distribution
- accelerating potential
- accessible
- accidental colouring
- accommodation endorser
- acet
- acetyl ketene
- acetylated cotton
- achievement
- Achilles tendon reflex time
- acid resisting concrete
- acid tester
- aconitic acid
- acoustic suspension
- acoustical filter board
- acronychous
