常見例句雙語例句Polyvinyl acetate also is allowed in the food industry in several countries like germany usa and japan.在德國，美國，日本這幾個(gè)國家中，醋酸乙烯酯也被允許用于食品工業(yè)。This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties, and felt-bending strength of cement mortar with polyvinyl acetate(PVAC).研究摻聚醋酸乙烯水泥砂漿的軸拉和軸壓應(yīng)力—應(yīng)變關(guān)系、抗彎性能以及長期粘結(jié)抗彎強(qiáng)度。Ways to modify the gels of polyvinyl formal, polyvinyl acetate, urea-formaldehyde and amylum are plesented and formulae and alternate properties of various modified products introduced.討論了聚乙烯醇縮甲醛膠、聚醋酸乙烯酯膠、脲醛膠、淀粉膠的改性途徑，介紹了各改性產(chǎn)品的配方及其性能比較。 返回 polyvinyl acetate