rock smasher是什么意思

用法例句

Because the international river bank soil erosion seriously, prevention method is recessary, and the main forms of prevention engineering are: wicker mat sinking to press stones, starch building stone to rainforce foot, dry_laid stone to prevent bank.

因国际界河国土流失严重,需采取必要的防护措施,阐述了防护工程的主要形式:柳条沉排压石,浆砌石固脚,干砌石护坡。