沉井 chénjǐng open caisson Definitions Defs Origin Strokes Stroke Words Sentences Sents 沉井 chénjǐng open caisson A reinforced concrete structure in the shape of a hollow cylinder used as a foundation or support for construction underwater or underground Frequency Written text 0.338 per million Sources Frequency data BCC Corpus (BLCU)
沉井 chénjǐng open caisson A reinforced concrete structure in the shape of a hollow cylinder used as a foundation or support for construction underwater or underground Frequency Written text 0.338 per million Sources Frequency data BCC Corpus (BLCU)
