npfa
美
英 
- 网络全国运动场协会(National Playing Fields Association)
例句
Fire-Dex leather gloves are made with double-chromed, tanned, heat-resistant leather and available in NPFA or OSHA styles.
Fire-DexLeather皮手套由双倍镀铬做出,已鞣制的,耐热皮革和可达NPFA或者OSHA标准。
The results implied that rice quality and arts and crafts quality could be improved by proper NPFA.
表明采用合适氮素穗肥施用量,可以改善稻米品质,同时提高稻米工艺加工品质。