backfilling
柯林斯词典
1. V to refill an excavated trench, esp (in archaeology) at the end of an investigation (尤指考古挖掘后)重新填埋坑、壕
2. N the soil used to do this 回填土
返回 backfilling
1. V to refill an excavated trench, esp (in archaeology) at the end of an investigation (尤指考古挖掘后)重新填埋坑、壕
2. N the soil used to do this 回填土