profile cutter by tracing device 模描切割机
magnetic tracing device 磁性跟踪装置
tracing device [计] 描记装置 ; 描绘装置
central-bearing tracing device 中支描记器
hand tracing device 手工描绘装置
seam tracing device 接缝追踪装置
signal tracing device 信号跟踪器
automatic tracing device 自动跟踪装置
Tracing observation device 跟踪观测设备
Tracing a circle on your wrist tells the device to project a digital clock on your arm - the world's lightest wristwatch, a fan joked.
它在你的腕关节处绘制一个圆圈，并且要求装置在你的胳膊上投射出一个数字钟——开玩笑的说，这是全世界最轻的手表了！
An optical device that projects a virtual image of an object onto a plane surface, especially for tracing.
一种光学装置，可将物体虚像投影到一平面之上，多用于跟踪。
This paper briefs on the selection of alternatives operation principle and structuralconfiguration of the latest"laser servo tracing of gauge measuring device".
本文介绍了最新研制的“激光伺服跟踪轨距测量装置”的方案选择、工作原理、结构组成。
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