所述导向柱与柱孔分布在外盖与内盖的圆周上。
The guide post and the post hole are distributed on the circumference of the outer lid and the inner lid.
接下来，小组要试图搞清气柱的成分，以及与气柱有关的那些嵌入月球土被、躲在终日不见阳光的陨坑底部的东西为何物。
Next, the team will try to understand how the compounds they saw in the plume relate to what's actually embedded in the lunar regolith at the bottom of the permanently Shadowed crater.
方钻杆之后带动整个钻柱进行旋转，由于方钻杆是与钻柱的顶部用丝扣连接在一起的。
The kelly then turns the entire drillstring because it is screwed into the top of the drillstring itself.
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