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- metal supply amount 金属供应量
- Long-term fertilization could increase the P supply amount by SMB-P, there was a significant correlation between P supplying amount by SMB-P with maize yield and P uptake. 玉米生长季内土壤微生物量磷的动态变化呈先上升后下降的趋势，其含量最大值出现在玉米生长中后期；
- The results show that the sand layer apparently influences capillary water rising height, rate and groundwater supply amount, and has obvious retarding effect on soil water. 结果表明，砂层对毛管水上升的高度、速率以及地下水补给量有明显影响，砂层对于水分有着明显的阻滞作用。
- Calculating supply amount of karst underground water in spring valley by synthetic permeance coefficieint method is introduced.The question of error in observing all area balanced calculation in Fengfeng mine area is expouned. 应用综合渗入系数法进行泉域岩溶地下水补给计算，解决了峰峰矿区用小流域观测全区均衡计算过程中误差较大的问题。
- The article found that first phase water supply for the Zone is completely guaranteed by analyzing and calculating water supply amount based on hydrology, meteorology and water resource data etc. 充分利用水文、气象、水资源等基本资料，运用径流调节对作为曹妃甸工业区主水源的唐山市引滦供水系统的可供水量进行分析计算，得出主水源对曹妃甸工业区一期供水是完全有保障的结论。
- Looking for the law of city water supply amount and forecasting the water supply amount not only can guide civicism construction and civicism management, but also are related to resident living. 寻找城市自来水供水量的规律性,预测以后几年的供水量,不仅对于市政建设和市政管理有着重要的指导意义,而且也关系着城市居民的日常生活。
- Compounding matters, China's per capita water supply amounts to just a quarter of the global average and is unevenly distributed. 令情况更为复杂的是，中国的人均水资源供给仅为全球平均水平的四分之一，且分布不均。
- With exception of iron,VitB1 and VitC,the supply amounts of other vitamins and tractless are lower than criterion supply amounts. 维生素和无机盐中，除铁、核黄素和抗坏血酸供给量尚可，其余均不足。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗？
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去，发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- The ship was broken up for scrap metal. 这艘船拆毁了当废铁用。
- Being heated, the metal is rapidly melting. 由于受热，金属在迅速熔化。
- The metal has corroded (away) because of rust. 该金属已锈蚀。
- You need a powerful saw to cut through metal. 切割金属需用强劲的锯。
