重型三层室（中型）
描述
Integration of various manhole components ideal for selection to form your preferred manhole system.
3 - LAYER CHAMPER
MEDIUM
LZCBMD: 13" x 16"
LZCBMD - A : 16" X 24'
3 - LAYER CHAMPER
MEDIUM
LZCBMD: 13" x 16"
LZCBMD - A : 16" X 24'
