wool scouring manufacturing wastewater
Wool Scouring Wastewater
wool washing wastewater
wool-scouring wastewater
Wool-washing Wastewater
Gansu alpine fine wool sheep that used for both mutton and wool
high quality fine wool strain of Gansu Alpine Fine Wool Sheep
Qinghai highland semifine-wool sheep with dual-purpose type of wool and meat
Qinghai meat and wool using fine-wool sheep
Qinghai semifine wool sheep with Dual-purpose type of wool and meat
domestic wastewater sanitary wastewater
sanitary wastewater domestic wastewater
wastewater treatment and dye wastewater
100% wool worsted fabric
absolute-dry raw-wool fat percentage