weathered pebble
常見例句
- 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)風化基巖、砂礫層或卵石層，凍土挖掘機傚率低，宜採用鑽眼爆破法，採用抓巖機裝載凍土。 返回 weathered pebble