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railway timber transportation
释义
railway timber transportation
Encyclopedia
农学
木材运输
释
railway timber transportation
森林铁路运材
利用森林铁路将木材从山上装车场运输到贮木场的过程。
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servo actuator
servo amplifier
servo control
servo controller
servo control receiver
servo-control system
servo-drive
servodrive
servodyne
servoelement
Servofrax
servo head
servointegrator
Servois
Servois formula
servomagnet
servomanometer
servomechanism
servo motor
servomotor
servopotentiometer
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servo system
servo-system
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