Hydraulic anchor drilling rig ke mochini o nang le tšusumetso ea moea, o sebelisoang haholo bakeng sa ankora ea lejoe le mobu, subgrade, kalafo ea matsoapo, ts'ehetso ea sekoti se tebileng se ka tlas'a lefatše, kotopo e pota-potileng botsitso ba mafika, thibelo ea ho ritsa ...
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