The elastic film being in the cavity is directly driven by driving component to make cavity of balancing pump suck or discharge liquid.

利用上述两个平衡泵结合在一起由同一驱动电机驱动可构成直接应用于血液净化设备的平衡装置。

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This invention concerns an elastic multilayer composite, comprising a breathable non-elastic film layer and an elastic nonwoven layer such as a spunbonded fabric.

本发明涉及弹性多层复合材料，包括透气性非弹性膜层和弹性非织造织物层如纺粘织物。

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By using such elastomeric polymers, the resulting elastic film may also be thermally bonded to the nonwoven web material (s) without the need for oil-resistant adhesives.

通过使用这类弹性体聚合物，不需要抗油粘合剂，所得弹性薄膜也可以热粘到非织造网材料上。

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Joanna Aizenberg and her colleagues produced an elastic thin film material with nano-sized pores.

BBC: New material can halt runny liquids on demand