凿岩 záoyán rock drilling Definitions Defs Origin Strokes Stroke Words Sentences Sents 凿岩 (鑿岩) záoyán rock drilling (rock) drilling Frequency Written text 0.118 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
凿岩 (鑿岩) záoyán rock drilling (rock) drilling Frequency Written text 0.118 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
