coal sample for size test and float-and-sink analysis_煤炭科技英汉词典
coal sample for size test and float-and-sink analysis
[煤炭科技英汉词典]
coal sample for size test and float-and-sink analysis筛分浮沉煤样
又称“可选性试验煤样”。为进行煤的筛分试验和浮沉试验而采取的煤样。
是什么意思，coal sample for size test and float-and-sink analysis的解释，coal sample for size test and float-and-sink analysis的翻译
