GB/T 18688-2023农业灌溉设备灌溉阀的压力损失试验方法国家标准
英文:Agricultural irrigation equipment—Pressure losses in irrigation valves—Test method GB/T 18688-2023介绍: 国家标准《农业灌溉设备 灌溉阀...
英文:Agricultural irrigation equipment—Pressure losses in irrigation valves—Test method GB/T 18688-2023介绍: 国家标准《农业灌溉设备 灌溉阀...