凿岩 záoyán rock drilling Definitions Defs Origin Strokes Stroke Words Sentences Sents 凿岩 鑿岩 záo//yán rock drilling the process of drilling or boring into rock, typically used in mining or construction context Frequency Written text 0.118 per million Sources Frequency data BCC Corpus (BLCU)
凿岩 鑿岩 záo//yán rock drilling the process of drilling or boring into rock, typically used in mining or construction context Frequency Written text 0.118 per million Sources Frequency data BCC Corpus (BLCU)
