adaptor ring
配接环
热门单词
- 5-fluorouracil injection
- 55 inch thread tagential die for taper pipe
- abnormal series
- abolition of reflex
- abrasive band
- accident frequency
- Acetat Rhodia
- acetone alcohol
- acid-proof rubber boots
- aconite root
- acrylic glass flat ruler
- acrylic yarn
- active carbon
- active principle
- activity metabolism
- adaptive time
- adiabatic exponent
- adjustable bearing
- adjustable electric cooking stove
- adjustable gauge
- adjustable micrometer calliper
