acoustic sand probe
声波探砂器
热门单词
- abaxial surface of the leaf
- abecedarian
- absolute field
- absolute position of manipulator
- absolute pressure switch
- ab类放大器甲乙类放大器
- accelerated curing of concrete
- acceleration trend
- acid bessemer converter
- acid embossing
- acid halide
- acidified starch
- acidimeter
- acrimony
- acrylic-vinyl fibre
- active sulfur
- actuation register
- addition action
- adjustable pitch propeller
- adjustable switch operating rod
- administrative staff
