abrasive segment
砂瓦
热门单词
- absorbent system
- accelerated child
- accumulator railcar
- acetyl phenyl hydrazine
- acetylbenzoyl peroxide
- achromatous
- acid nonfast
- acid proof coating
- acid proof pump
- acid slag
- acline twin
- acoustic sensor
- acoustic transmission system
- acquired deafness
- actinolite
- activity theory of learning
- actuator pump
- adaptation trial
- additive lubricating oil
- adjusting valve
- administrative channel
