AC earth relay
交流接地继电器
热门单词
- abdominal tumor
- abrasive belt grinding machine
- access step
- accurate positioning
- acicular
- acidulous water
- acinesia
- aconite
- acontium
- acoustic diagnosis
- acoustic reflex
- acrimony
- actinic lamp
- actinometer
- activation analysis
- acupuncture anaesthesia apparatus
- additive color system
- additive-containing nylon
- adenosine diphosphatase
- adenovirus infection of cattle
- adiabatic curing
