| 摘要 |
A movable mounting bracket arm assembly for use in a monitoring well or the like includes:(a) mounting bracket attachable to a wall of a well;(b) a movable mounting bracket arm including a posterior segment attachable at one end to the mounting bracket, and a breakaway anterior segment removably attachable to an opposite end of the posterior segment, the anterior segment being pivotally coupled to the posterior segment; and(c) a means of suspending at least one monitoring or sampling device in a downward direction from the anterior segment.
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