Ho khetha mochine o nepahetseng oa ho cheka oa DTH, nahana ka lintlha tse latelang: Ho Cheka Sepheo: Fumana sepheo se tobileng sa morero oa ho cheka, joalo ka ho cheka liliba tsa metsi, ho hlahloba merafo, lipatlisiso tsa geotechnical, kapa kaho.Lisebelisoa tse fapaneng li ka hloka mefuta e fapaneng ea li-rigs ...
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