weathered pebble
常見(jiàn)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(duì)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