Like most advanced racing sails, they are a sandwich of polyester film sheets with a filling of carbonfibers providing strength.
像多数的高级比赛用帆一样，船帆由双层聚酯纤维膜组成，内部填充碳纤维以增加强度。
2
The strips were later removed from the solution and heated in an oven. The heat changes the cotton fibers into carbonfibers, which react with the boron solution and produce boron carbide.
在高温烘烤过程中，棉纤维变成了碳纤维，后者再与硼溶液发生反应生成碳化硼。
3
The joint venture of SGL and BMW produces these carbonfibers, 10 times thinner than a human hair, in the northwestern United States.