bipolar receiver
双磁极受话器
热门单词
- auxiliary blade wear strip
- auxiliary block post
- auxiliary blower
- auxiliary body
- auxiliary boiler
- auxiliary boiler automatic control system
- auxiliary boiler recess
- auxiliary bond
- auxiliary book
- auxiliary books
- auxiliary boost
- auxiliary booster grain
- auxiliary box
- auxiliary brake
- auxiliary brake cylinder
- auxiliary brake equalizing lever
- auxiliary brake shoe
- auxiliary breaking
- auxiliary bridge
- auxiliary building
- auxiliary burner
