aero-projector
航投影测图仪
热门单词
- AC earth relay
- AC indicator
- acalculia
- accelerating admixture
- accountable
- accurate type wire wound resistor
- acetic acid bacteria
- acetylene stripper
- achromatize
- acid open hearth furnace
- acorn tube
- acoustic hair cell
- acoustic input device
- acrichine
- acrylic
- actinouranium
- action of stereotype
- active radar
- active water
- actual delivered density
- actuate
