短語詞組短語Nutrient t cycle 營養(yǎng)循環(huán)nutrient elements cycle 養(yǎng)分元素循環(huán)nutrient balance cycle 養(yǎng)分平衡循環(huán)forestry nutrient cycle 森林養(yǎng)分循環(huán)nutrient cycle balance 養(yǎng)分循環(huán)平衡nutrient substance balance cycle 物質(zhì)良性循環(huán)nutrient cycle features 養(yǎng)分循環(huán)特征nutrient cycle detail 養(yǎng)料循環(huán)Nutrient cycle and balance of 農(nóng) 返回 nutrient cycle