SB 9917 anti - weather acrylic acid polyurethane coating is two components anticorrosive coating.SB9917丙烯酸聚氨酯耐候漆是双组份、性能优良的防腐涂料.The WC - CO coating produced by electrospark deposition on alloy can effectively improve subs...
I owe them a debt that cannot easily be repaid.我欠他们一笔钱，不容易偿还。The business quickly repaid the initial outlay on advertising.这家公司很快偿付了初期的广告费。She doesn't intend to be repaid to her kindness.她不图回报她的好心....