undergravel meaning in English
底砂过滤式
Examples
- We at manhing also manufacture aquarium and pet accessories , namely fishi - ng battery air pump , 9 differents item of undergravel filters ( 5 - 70gallons ) , bio filter - s and accessories
我们还有生产其他之水族及宠物用品。钓鱼电池气泵、缸底过滤版由5生70卡伦合共9个不同型号、生物过滤器材及其他产品等！