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松香汽油液防锈 松香末50克,加汽油50克,混合搅习成为松香滴液。将此液涂在没有生锈的铁质农具上。晾干后可防锈。
Rosin petrol rust Rosin 50 grams, add 50 grams of gasoline, mix and stir to become rosin drops. Apply this solution to rust-free iron tools. After drying rust.