通过RS- 2 32与计算机进行通讯，可实现油管在地面水平放置时自然长度的在线测量。
The length can be measured on-line when the tubing is laid on the ground by the communication between the computer and RS-232.
通过RS- 2 32与计算机进行通讯，可实现油管在地面水平放置时自然长度的在线测量。
The length can be measured on-line when the tubing is laid on the ground by the communication between the computer and RS-232.
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