acetylene welding set
乙炔气焊机
热门单词
- accidental alarm
- acetone cyanohydrin
- achievement need
- acid etching
- acid phosphatase
- acid receiver
- acid red
- acid reflex
- acid refractory
- acid-resistant stoneware pump
- acoustic analysor1
- acoustic submersible tracker
- acousto-optic modulator
- acrocyanosis
- acting out
- active ginseng capsule
- active guidance
- active immunization
- actual cash value
- actuation register
- adaptive colour
