常見例句雙語例句By adopting water-soluble polyurethane grouting technique of filling the expansion joint with two-component polysulfide sealant, the leakage has been effectively controlled.用水溶性聚氨脂灌漿，雙組分聚硫密封膠填注伸縮縫処理取得了很好的傚果。 返回 polyurethane joint sealant