词汇	P'yǒnggang-gun
释义	P'yǒnggang-gun 📍平康郡朝
随便看	carbon black pigment Carbon Black Pigment for Paint carbon black plant carbon black pneumoconiosis carbon black pour density carbon black powders carbon black process Carbon black production carbon black reinforced rubber carbon blacks carbon black screening machine carbon black scrubber carbon-black seeding carbon black specific surface carbon black specific surface area carbon black stock carbon black structure carbon black structure index carbon black surface area carbon black surface roughness carbon black tint strength Carbon-black type carbonblack volatility carbon black volatility carbon black water/ash water