sediment base gate (bottom outlet)
【建筑】沉淀物存积弯,集水沟
sediment traps gully
暂无补充释义。
sediment traps gully
暂无补充释义。
sediment base gate (bottom outlet)
sediment
sediment storage dam with hole【水利】
marine sediment
non-salty processed urine sediment
urine sediment
sediment
hemipelagic sediment