actinide
锕类
热门单词
- acetic aldehyde
- acetylspiramycin tablet
- acid base catalysator
- acitrin
- aconitine
- acoustic remotely controlled survey vehicle
- acquired antibody
- acrylic bulky yarn
- acrylic fleecy sweater
- acrylic low-temperature baking varnish
- acrylonitrile styrene copolymer
- activity inventory
- activity level method
- actuator pump
- acute experiment
- adder-accumulator
- adding mechanism
- adhering
- adhering fibre
- adjustable engine
- administrative diagram
