短语词组短语compost heap 堆肥堆synthetic compost 合成料green compost 青草堆肥compost bunker 堆肥棚cured compost 熟透的堆肥Bagasse compost 蔗渣堆肥Organic compost 有机堆肥sludge compost 污泥堆肥Sinotrans compost 外运堆肥 返回 compost