资源类型

时间范围

首页 > 检索结果 >

Irrigation pipe for use in irrigation system for irrigation and drainage of agricultural land, has body provided with first and second ends, passageway is defined between first and second ends, wall adapted to allow diffusion of water between passageway and ambient 2023-04-11
Sub-surface porous vessel for pitcher irrigation, drainage, and soil contaminant remediation, that is frustum shaped which enables irrigation without disturbing soil and is provided with aperture on lid that enables growth of hydroponic plant in water reserve 2021-05-18