cross-grained float

例句：

1. 1. The engineer designed a cross-grained flotation system to improve the efficiency of wastewater treatment.
   工程师设计了一个交叉纤维浮选系统，以提高废水处理的效率。
2. 2. The research on cross-grained flotation has shown great potential in environmental protection.
   关于交叉纤维浮选的研究在环境保护方面显示出巨大的潜力。
3. 3. The cross-grained flotation process is widely used in the mining industry for separating valuable minerals from ores.
   交叉纤维浮选工艺在矿业中被广泛使用，用于从矿石中分离出有价值的矿物。