回填 huítián to backfill Definitions Defs Origin Strokes Stroke Words Sentences Sents 回填 huítián to backfill to put excavated soil or rock back into a hole, trench, or foundation Frequency Written text 0.832 per million Sources Frequency data BCC Corpus (BLCU)
回填 huítián to backfill to put excavated soil or rock back into a hole, trench, or foundation Frequency Written text 0.832 per million Sources Frequency data BCC Corpus (BLCU)