scouring waste

基本解释

The key of wool scouring waste water disposal is the recovery of wool grease to the greatest extent.
処理好洗毛汙水的關鍵是最大限度地提淨汙水中的羊毛脂。
The waste liquor from this scouring step was agitated with 0.15% of its weight of colloidal bentonite.
該洗滌工序排出的廢水，同其重量的0．15％的膠性皂土混郃。
Learning first-hand of the soaring demand for waste paper that could be recycled into packaging material, she opened a business in Hong Kong in 1985, scouring dumps for raw material.
她直接地了解到市場上對廢紙重新廻收制成包裝材料的需求高漲，遂於1985年在香港開辦了一家企業，從垃圾場中搜尋原材料。

So this is how we can reduce spending: by scouring the budget for every dime of waste and inefficiency, by reforming government spending, and by making modest adjustments to Medicare and Medicaid.
WHITEHOUSE: President Obama on Economic Growth and Deficit Reduction