To make it more comfortable, a beaver carpets the floor with grass or shredded wood.
为了使巢更舒适，河狸用草或碎木铺在地面。
Other controls include turning over the soil, pulling the weeds or covering them with mulch made of shredded wood, garden waste or other material.
其他手段还包括翻土，拔除杂草或用地膜覆盖它们。地膜一般由木屑花园废弃物或其他材料制成。
Other fuels such as wood, biomass, shredded tires and sludge are also candidates, depending on their percentage of heat input, moisture content and emission requirements.
其它燃料如木头，生物燃料，碎轮胎以及煤泥，也可作为燃料，这取决于其对热量输入百分比，水分含量和排放的要求。
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