Two kinds of packing: i. e. carbon with fiber and soft graphite are used. The sealing effect is excellent for high pressure boiler F. W. P.
选用碳素纤维填料和膨胀石墨填料混合使用，密封效果良好。
The effect of water binder ratio (W/C), slag binder ratio (S/C) as well as the adding quantity of steel fiber on cement based composite was studied;
研究了水灰比（W/C）、砂灰比（S/ C）、钢纤维掺量对水泥基复合材料性能的影响；
The effect of water binder ratio (W/C), slag binder ratio (S/C) as well as the adding quantity of steel fiber on cement based composite was studied;
研究了水灰比（W/C）、砂灰比（S/ C）、钢纤维掺量对水泥基复合材料性能的影响；
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