信息安全 密码理论与技术 释文 signer 签名者
- screw agitator
- screw axis
- screw calculus
- screw compressor
- screw conveyor
- screw diad
- screw dislocation
- screw dislocations
- screw displacement
- screw drive
- screwdriver
- screw eyepiece micrometer
- screw groove sealing line
- screwing
- screw instability
- screw line
- screw mechanical supercharger
- screw mechanism
- screw micrometer
- screw microscope
- screw moment
- screw motion
- screw operation
- screw pinch
- screwpine family