They are widely used in high elastic resilient cold cure, microporous elastomer and semi-rigid polyurethane foam plastics.
广泛应用于高回弹冷熟化，微孔弹性体及半硬质聚氨酯泡沫塑料制品。
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The dynamic stress response of the lower course by moving-vibrating compaction on semi-rigid base was analyzed to judge whether it caused early wreckage to the lower course.
Alcoa Bohai is dedicated to providing premium aluminum foil for flexible packaging, beer wrap, household foil, air conditioners and semi-rigid containers.