垫底材料：指用于垫底或填充的材料，通常用于床上或动物笼子中。
The amount of water you add will depend on the bedding material you use.
加水量取决于你选择的垫子的材料。
The laboratory test of Hainan iron ore as bedding material was conducted in the sinter pot.
为解决不加铺底料烧结的弊端 ，研究了用褐铁矿作烧结铺底料。
The laboratory test of Hainan iron ore as bedding material was conducted in the sinter pot.
在实验室进行了海南铁矿作铺底料的烧结杯试验。
Add two handfuls of soil for every half square meter of bedding material and mix well.
VOA : special.2011.07.05