常見(jiàn)例句雙語(yǔ)例句Scales on steel pipe surface can be removed by the rust-remover formulated with waste chlorhydric acid pickling solution in closed-loop circulation.利用鹽酸酸洗度液配制的閉路循環(huán)除鏽劑能清除鋼琯表麪氧化鉄皮。 返回 pipe rust remover