non contact pick up 无触点传感器
carbon contact pick-up 碳触点拾音器
contact pick up 接触传感器
carbon contact pick up 碳触点拾音器
carbon n contact pick-up 碳触点拾音器
To manipulate the display, users pick up a piece of wireless electronic "chalk" that can work either in contact with the surface or from a distance.
为了管理显示，用户选择一片能够在接触表面或者隔一段距离使用的无线电子“粉笔”。
Pick up the phone and actually make the contact.
拿起电话，确实的与对方联系。
Quickly pick up the telephone to contact us!
赶紧拿起德律风联络我们吧！
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