Read Edit View history Discussion 露天开采 lùtiānkāicǎi opencast mining Origin Definitions Defs Strokes Stroke Words Sentences Sents 露天开采 露天開采 lùtiānkāicǎi opencast mining the process of extracting minerals from an open pit; quarrying Frequency Written text 0.126 per million Sources Frequency data BCC Corpus (BLCU)
露天开采 露天開采 lùtiānkāicǎi opencast mining the process of extracting minerals from an open pit; quarrying Frequency Written text 0.126 per million Sources Frequency data BCC Corpus (BLCU)