PAC-LV, PAC-Hv, PAC R, Oil Drilling Material Polyanionic cellulose (PAC) inowanzoiswa mumagiredhi akasiyana zvichienderana nehuremu hwayo hwemamorekuru, dhigirii rekutsiva, uye zvimwe zvinhu. Heano kuparara kwemamwe marudzi akajairika ePAC anoshandiswa muindasitiri yekuchera oiri: PAC-LV (Yakaderera ...
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