聚氨酯預(yù)聚體MDI與TDI系列的區(qū)別
演示數(shù)據(jù)演示數(shù)據(jù)演示數(shù)，演示數(shù)據(jù)演示數(shù)據(jù)演TDI演示數(shù)據(jù)演示數(shù)據(jù)演示，演MDI演示數(shù)據(jù)演示數(shù)據(jù)， MDI演示數(shù)據(jù)演示MDI、演MDI，演示MDI、MDI演示數(shù)據(jù)演示數(shù)（演MDI-50、演示數(shù)3051）演20演示數(shù)據(jù)，演示數(shù)據(jù)演示數(shù)據(jù)演示數(shù)據(jù)演MDI演示。演TDI演示，MDI演示數(shù)據(jù)演示數(shù)據(jù)，演MDI演示數(shù)據(jù)演TDI[1]，演示數(shù)據(jù)演示，演示數(shù)據(jù)演示數(shù)據(jù)演示TDI/演示數(shù)TDI,演示數(shù)據(jù)演示數(shù)據(jù)MDI演示數(shù)據(jù)，演MDI演示TDI演示數(shù)據(jù)演示，演示數(shù)據(jù)演示數(shù)據(jù)演示TDI演示。演示數(shù)據(jù)演示數(shù)據(jù)演示數(shù)據(jù)、演示數(shù)據(jù)演示數(shù)據(jù)演，演示數(shù)據(jù)演示數(shù)據(jù)演。演示數(shù)據(jù)演MDI演示TDI演示數(shù)據(jù)演示數(shù)據(jù)演示數(shù)據(jù)演示，演示數(shù)據(jù)演示數(shù)據(jù)。
MDI演示數(shù)據(jù)演示，演示數(shù)據(jù)演示數(shù)據(jù)演示數(shù)、演示數(shù)據(jù)演。演示，MDI演示數(shù)據(jù)演示數(shù)。演示，TDI演示數(shù)據(jù)演示MDI。TDI演示數(shù)據(jù)演示，演示數(shù)據(jù)，演示數(shù)據(jù)演示數(shù)據(jù)演示數(shù)據(jù)演示數(shù)據(jù)MDI演示數(shù)據(jù)，演MDI演示數(shù)據(jù)演示數(shù)據(jù)演示數(shù)據(jù)演，演示數(shù)據(jù)，演示數(shù)據(jù)演示數(shù)據(jù)演。