Read Edit View history 打钎 dǎqiān to drill a blasting hole Origin Definitions Defs Strokes Stroke Words Sentences Sents 打钎 打釺 dǎ//qiān to drill a blasting hole To drill or hammer a hole in rock or hard ground using a steel rod, typically for placing explosives in mining or tunneling work. Frequency Written text 0.014 per million Sources Frequency data BCC Corpus (BLCU)
打钎 打釺 dǎ//qiān to drill a blasting hole To drill or hammer a hole in rock or hard ground using a steel rod, typically for placing explosives in mining or tunneling work. Frequency Written text 0.014 per million Sources Frequency data BCC Corpus (BLCU)