Pasi pegomba drilling rig - inogona kushandiswa pakuvaka kwemaguta, njanji, mugwagwa mukuru, rwizi, mvura uye magetsi engineering yekuchera rock anchor cable hole, anchor hole, blasting gomba, grouting gomba kuchera kuvaka.1, iyo submersible yekuchera muchina unotora mota nepamusoro-kuita ...
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