基本解釋預(yù)鞣同根派生 pretan相關(guān)詞英漢例句Using the syntan to pretan vegetable-tanned sole leather ,the quantity of tannin extract can be reduced in vegetable tanning. 該合成鞣劑用于植鞣底革的預(yù)鞣,可減少植鞣時栲膠的用量。pretan更多例句