基本解释水溶性聚酯同根派生 WSPET相关词英汉例句IR and XRD studies showed that when WSPET is added, the structure of PET will not change obviously, while the crystal behavior of the polyblend will decrease. WSPET的加入不會明顯改變PET的結搆，但共混物的結晶性能會隨WSPET加入量的增加而呈下降的趨勢。WSPET更多例句