In addition, the covering was strengthened by use of such materials as fine earth and straw bag, and the length and quality of stemming were guaranteed, controlling the flying rocks effectively.
此外，采用细土、草袋等材料加强覆盖，保证堵塞长度和堵塞质量，有效地控制了飞石。
In addition, the covering was strengthened by use of such materials as fine earth and straw bag, and the length and quality of stemming were guaranteed, controlling the flying rocks effectively.
此外，采用细土、草袋等材料加强覆盖，保证堵塞长度和堵塞质量，有效地控制了飞石。
应用推荐