词汇	hard lead pipe
释义	hard lead pipe n.硬铅管
随便看	irrigation head irrigation hose irrigation hydrant irrigation hydrology irrigationiat Irrigation indicator irrigation information Irrigation in grassland irrigation in growing period irrigation in sands irrigation in spring irrigation installation irrigation intensity irrigation interval irrigation in their given order irrigation inverted siphon Irrigation is important for farming irrigationist irrigation junction irrigation lateral irrigation layout plan irrigation level Irrigation levels irrigation low limit Irrigation machine