常見例句We want to buy Epoxy Products, Curings Ais for Concrete, Sealr, Sealant, Joitn, Adhesives and Sealants 我們要采購環(huán)氧基樹脂產品,機構認可的混凝土，封條，密封劑，黏性物和密封劑 返回 sealring