Coal mining working face
英
美
采煤工作面
Coal mining working face的用法和样例:
例句
Prewetting of coal seams by water infusion is an essential measure for dust control at working faces.
煤层注水预湿是采煤工作面防尘的治本措施,添加湿润剂是改善煤层注水效果的重要途径。
Coal mining working face的相关资料:
临近单词
coal
coal smoke
目录
查词历史
英 汉