常見例句

雙語例句

• 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.
  對凍結(jié)風(fēng)化基巖、砂礫層或卵石層，凍土挖掘機(jī)效率低，宜采用鉆眼爆破法，采用抓巖機(jī)裝載凍土。
返回 weathered pebble