Others have articulated joints attaching them to the logging tool, with a backup arm to press the pad against the borehole wall.
另有一些极板需要使用连接装置才能和下井仪器相连，测井时需要使用推靠臂才能紧贴井壁。
Flanked by similarly dressed backup dancers, Jackson took to the stage of the 1995 MTV Video Music Awards in a black suit, skinny black tie and - ever provocative - white arm band.
舞台表演的同样身着伴舞的包围，杰克逊参加了一个黑色西装，到1995年MTV音乐录影带奖阶段，瘦黑领带-不断挑衅-白臂带。
Flanked by similarly dressed backup dancers, Jackson took to the stage of the 1995 MTV Video Music Awards in a black suit, skinny black tie and - ever provocative - white arm band.
舞台表演的同样身着伴舞的包围，杰克逊参加了一个黑色西装，到1995年MTV音乐录影带奖阶段，瘦黑领带-不断挑衅-白臂带。
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