常見(jiàn)例句We want to buy Epoxy Products, Curings Ais for Concrete, Sealr, Sealant, Joitn, Adhesives and Sealants 我們要采購(gòu)環(huán)氧基樹(shù)脂產(chǎn)品,機(jī)構(gòu)認(rèn)可的混凝土，封條，密封劑，黏性物和密封劑 返回 sealring