high arsenic concentration
High arsenic high sulfur refractory gold concentrate
High arsenic high sulfur tailings
High arsenic high sulphur gold concentrate
alcohol wastewater of high concentration
alkaline wastewater with high concentration of ars
charging water high pressure
cold water high-low-pressure washer
combustion under lean oxygen and high concentration of CO2 condition
continued high-water season
conveying by high concentration air
copper-nickel-arsenic high alloy slag
dredged clay with high water content
dredged clays with high water content
drilling with high water level and large elevation angle
electrolyte solution with high concentration
ethanol with high concentration of sucrose
extending of high water level