The sheath can include any suitable barriermaterial, and can, for example, contain one or more metallic materials.
所述护套可包含任何合适的屏障材料，且 可（例如）含有一种或一种以上金属材料。
2
The high barriermaterial is low in price, fine in thermoplasticity and excellent in hot working property and can be reused.
这种高阻隔材料价格低廉，热塑性好，热加工性能优异，可重复使用。
3
The containment barriermaterial consists of a filter fabric composed of woven polypropylene which allows the passage of water, but retains soil particles.