active antenna
有源天线
热门单词
- abiotic surround
- ablative-insulative material
- absorption flask
- accelerating tube
- accessory thyroid gland
- accident fire
- accommodation of information
- accumulation
- accumulative play
- acetic starch
- acid resisting concrete
- acid treatment
- acidology
- acoustic baffle
- acoustic foundation
- acoustical treatment
- acquired learning skill
- acrylic fleecy shirt for children
- acrylic low-temperature baking varnish
- activated silica
- active directive
