道砟 dàozhǎ railway ballast Definitions Defs Origin Strokes Stroke Words Sentences Sents 道砟 dàozhǎ railway ballast Gravel, crushed stone, or slag spread over a railway roadbed to support sleepers, commonly written as 道碴 dàozhǎ in industry contexts Frequency Written text 0.024 per million Cross-References Same as 道碴 dàozhǎ Sources Frequency data BCC Corpus (BLCU)
道砟 dàozhǎ railway ballast Gravel, crushed stone, or slag spread over a railway roadbed to support sleepers, commonly written as 道碴 dàozhǎ in industry contexts Frequency Written text 0.024 per million Cross-References Same as 道碴 dàozhǎ Sources Frequency data BCC Corpus (BLCU)
