GB/T 18690.4-2023农业灌溉设备微灌用过滤器第4部分:颗粒介质过滤器国家标准
英文:Agricultural irrigation equipment—Filters for microirrigation—Part 4: Granulated media filters GB/T 18690.4-2023介绍: 国...
英文:Agricultural irrigation equipment—Filters for microirrigation—Part 4: Granulated media filters GB/T 18690.4-2023介绍: 国...