基本解釋突咀英漢例句雙語例句There existed an optimal dosage of the chain extender, lack of which caused deficiency of chain extension and excess of which led to more blocking reaction.擴鏈劑的用量存在最佳值，用量不足時偶聯(lián)反應(yīng)不充分，用量過量時封端反應(yīng)加劇。excess extension更多例句專業(yè)釋義紡織科學(xué)技術(shù)突咀