soluble ash content

例句：

1. 1.The coal is expected to have a high soluble ash content.
   预计这种煤的可溶性灰分含量很高。
2. 2.The analysis of the ash content in the coal is crucial for understanding its combustion behavior.
   煤炭中灰分的分析对于理解其燃烧行为至关重要。
3. 3.The ash content in the waste can be reduced by proper waste management practices.
   通过适当的废物管理实践，可以减少废物中的灰分含量。