seamy rock

• 层状岩

seamy rock的用法和样例：

例句

1. Samdwich rock slope is a kind of common slopes in the hydroelectric project, which have complicated project nature, influence the life security of people.
   层状岩质边坡是水利水电工程中常见的一种边坡，具有复杂的地质条件和工程特性，影响着施工人员的生命安全。