sludge
[
i
sl6d[
]
(¼øÀ§:
17159
- ´ëÁ¹ ¼öÁØ)
¶æ
¸í) ÁøÈë, Áøâ, ¹ÝÂë ³ìÀº ´«
Mean
Semisolid material such as the type precipitated by sewage treatment.
¡¡