露天开采 lùtiānkāicǎi opencast mining Definitions Defs Origin 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)
