还可用塑料板或塑料复合板直接做房顶，具有性能好、成本低的优点。
It can use plastic board or plastic composite board to make root directly, with the advantages of better property and lower cost.
该调堵剂具有性能好，成本低的特点，已在一些油田施工应用，取得较好的控水增油效果。
It has characteristics of good properties and low cost and was applied in some oilfields with the good effect of water control and oil increment.
产品具有性能好，防护面积大，质量轻等优点，可用于制造车辆，飞机等武器装备的防护装甲等。
Products with good performance, protection area, light weight, etc. , can be used in the manufacture of vehicles, aircraft and other weapons, armor and other protective equipment.
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