基本解释印章戒指同根派生 英汉例句We want to buy Epoxy Products, Curings Ais for Concrete, Sealr, Sealant, Joitn, Adhesives and Sealants 我們要採購環氧基樹脂産品,機搆認可的混凝土，封條，密封劑，黏性物和密封劑