GB/T 19812.1-2017塑料节水灌溉器材第1部分:单翼迷宫式滴灌带国家标准
英文:Plastic equipment for water saving irrigation—Part 1:Drip tape with labyrinth on one side GB/T 19812.1-2017介绍: 国家标准《塑...
英文:Plastic equipment for water saving irrigation—Part 1:Drip tape with labyrinth on one side GB/T 19812.1-2017介绍: 国家标准《塑...