Li-centralizers tse cheselitsoeng ka semi-rigid ke lisebelisoa tsa bohlokoa indastering ea peterole, 'me boleng ba sehlahisoa bo bohlokoa ho netefatsa katleho ea ts'ebetso ea ho cheka le ho kenya samente. Ka tloaelo, li-centerizers li entsoe ka tšepe ea boleng bo phahameng, e theko e boima. Leha ho le joalo, ka bonngoe ...
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