The computer also can achieve the vernier adjustment by controlling the electro-hydraulic digital valve.
电脑控制电液数字阀，起微调作用。
Both the graduated circle and vernier are equipped with fine adjusting screws and locking device so as to achieve fine adjustment.
刻度和游标都装有微动调整和锁紧装置，进行精细调节。
Both the graduated circle and vernier are equipped with fine adjusting screws and locking device so as to achieve fine adjustment.
刻度和游标都装有微动调整和锁紧装置，进行精细调节。
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