面层外观凹凸不平,材质疏松柔韧,留有90%以上的空间可充填土壤及沙粒。
The surface is uneven and crumbly, so it allows soil or sand be filled in by 90%.
以聚氯乙烯(PVC)为材质的冷却塔塑料淋水填料由于表面凹凸不平和厚薄不匀,无法用标准方法进行检测。
Being rough and uneven in surface and thickness, plastic cooling fillers for cooling tower which are made from polyvinyl chloride (PVC) doesn't examined with standard method.
以聚氯乙烯(PVC)为材质的冷却塔塑料淋水填料由于表面凹凸不平和厚薄不匀,无法用标准方法进行检测。
Being rough and uneven in surface and thickness, plastic cooling fillers for cooling tower which are made from polyvinyl chloride (PVC) doesn't examined with standard method.
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