The under board of dimple drainage plant is makes by highimpactpolystyrene (HIPS).
钉子型排水板的底板是用抗高冲击及高抗压聚苯乙烯（HIPS）制成。
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The free volume properties of highimpactpolystyrene (HIPS)-low density polyethylene (LDPE) blend have been investigated by means of positron annihilation lifetime spectra (PALS).