An unfocused electrode device with small spacings, mounted on a pad and pressed against the borehole wall.

一种短源距不聚焦的电极系测井设备，安装在极板上紧贴井壁。

youdao

An unfocused electrode device with small spacings, mounted on a pad and pressed against the borehole wall.

一种短源距不聚焦的电极系测井设备，安装在极板上紧贴井壁。

youdao