directed arc 有向弧
理论计算机科学 佩特里网 释文 directed arc 有向弧
- pneumatic nebulizer
- pneumatic pipe collection system
- pneumatic power transmission
- pneumatic pruner
- pneumatic pump
- pneumatic pump-fed liquid rocket engine
- pneumatic rabbit
- pneumatic regulatory systems
- pneumatic rock drill
- pneumatics
- pneumatic seed-metering device
- pneumatic separation
- pneumatic servos
- pneumatic servo system
- pneumatic ship unloader
- pneumatic sprayer
- pneumatic suction
- pneumatic system
- pneumatic thrust vector
- pneumatic-to-current converter
- pneumatic transfer sample
- pneumatic transport
- pneumatic vibration machine
- pneumatized
- pneumatology