black lung disease是什么意思_black lung disease用英语怎么说_black lung disease的翻译_black lung disease翻译成_black lung disease的中文意思_black lung disease怎么读,black lung disease的读音,black lung disease的用法,black lung disease的例句

For example, it required payment for workers with black lung disease from coal and rock dust.

比如说, 他要求矿主为工人提供因为灰尘导致的黑肺病的治疗.

互联网

Coal miners often suffer from an illness black lung disease. Many have died from it.

矿工经常会染上肺病, 许多人因此而死去.

互联网