基本解释

• [地球科学]风化砾

英汉例句

双语例句

• For the frozen weathered bedrock, sandy gravel and pebble bed, it is more suitable to use drilling and blasting method than to use the frozen soil excavator.
  对冻结风化基岩、砂砾层或卵石层，冻土挖掘机效率低，宜采用钻眼爆破法，采用抓岩机装载冻土。

专业释义

地球科学

• 风化砾