A Gravel vacuum is a vital tool for sustaining a clean tank. Over time, particles accumulates from the gravel, impacting h2o excellent. A gravel vacuum, for example Lee's Gravel Vacuum with Hose, facilitates productive cleaning without disturbing your fish and decorations. 优点是该软件能保存原始数据的所有属性不会丢失，缺点是没有注册的话，不能进行批量处理，但是转换速度很快！ 排序: 發帖... https://pearlaquatics.my/author/sushant/page/5/