同时ABS的种类和PVC 相对分子质量的大小也影响共混物的表观粘度。
Molecular weight of PVC and different grade of ABS affected the viscosity of the blends, too.
旋轮是旋压加工中的关键工艺装备之一，对旋压工件的尺寸精度和表观质量起着至关重要的作用。
Roller is one of the major process equipment for the flow forming. It has a significant effect to dimensional precision and apparent quality of the flow formed part.
得出结论：粉煤灰和膨胀剂是影响混凝土表观质量的主要因素，通过调整配合比可以从根本上改善混凝土的表观质量。
It is concluded that fly ash and expansion agent are the main factors influencing the surface quality of concrete and the surface quality can be improved essentially by adjusting the mix ratio.
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