GB/T 19812.5-2019塑料节水灌溉器材第5部分:地埋式滴灌管国家标准
英文:Plastic equipment for water saving irrigation—Part 5:Sub-surface drip irrigation pipe GB/T 19812.5-2019介绍: 国家标准《塑料节水灌...
英文:Plastic equipment for water saving irrigation—Part 5:Sub-surface drip irrigation pipe GB/T 19812.5-2019介绍: 国家标准《塑料节水灌...