accouplement
系材匹配成双构件
热门单词
- abandoned channel
- abrasion-resistance
- absence of urethra
- absolute term
- absorpion state
- accelerated circulation
- acceleration of falling body
- acceptance condition
- accuracy in measurement
- accuracy of reading
- acet
- acetate visor
- acetone acid
- acetonitril test
- Acheson graphite
- Achilles tendinitis
- acidity
- acidophilic bacteria
- acinose
- acoulalion
- acoustic surveillance