信息安全 信息系统安全防护技术 释文 authorization to operate 操作授权
- floss padded robe made of brocaded tabby with gold strips
- Flota System
- flotation
- flotation activator
- flotation aeration rate control
- flotation balance
- flotation by precipitation adsorption
- flotation column
- flotation crystal chemistry
- flotation depressant
- flotation DLVO theory
- flotation effect of fluid inclusions
- flotation equipment
- flotation flowsheets
- flotation frother
- flotation froth image analytical processing
- flotation level coordination control
- flotation of barite
- flotation of coal slime
- flotation of copper minerals
- flotation of feldspar
- flotation of fluorite
- flotation of graphite
- flotation of iron sulphide minerals
- flotation of kaolin