硫酸酸洗液
Sulfuric pickling solution
盐酸酸洗
chlorohydric acid pickling
acid pickling of iron
Pickling
盐酸酸洗废液
hydrochloric acid pickling wastewater
acid wastewater of hydrochloric acid
单头洗漂机
single-head scouring-bleaching machine
电镀漂洗废水
electroplating potch wastewater
electroplating rinsewater
电镀漂洗水
electroplating rinse water
间歇式逆流漂洗
batch countercurrent rinsing
逆流漂洗
countercurrent washing technique
牛仔布洗漂废水
jean washing and dyeing wastewater