GB/T 19812.3-2017塑料节水灌溉器材第3部分:内镶式滴灌管及滴灌带国家标准
英文:Plastic equipment for water saving irrigation—Part 3:Drip pipe and drip tape inlaid with emitters inside GB/T 19812.3...
英文:Plastic equipment for water saving irrigation—Part 3:Drip pipe and drip tape inlaid with emitters inside GB/T 19812.3...