排灌的英文：
irrigation and drainage
- "The best rice land is level, conveniently diked for alternating irrigation and drainage. "
稻田最好是在平地上，筑田埂以利排灌。 - (Design, operation and maintenance of irrigation and drainage systems: The service approach)
7、从服务角度看排灌系统的设计、运行与维护
n. 灌溉；冲洗（法）
- The rotary agitator irrigated him.
旋转的鼓动者可灌溉的他。 - The farmer is irrigating in his field.
那个农夫正在田里灌溉。 - The terrace channels are convenient for irrigation.
梯田的沟渠便于灌溉。 - What is the irrigation norm?
灌溉定额是多少？ - through the growing season by furrow irrigation
在整个生长期间用畦灌法
n. 排水；放水；排水系统；污水
- This is a drainage area.
这里是排水区。 - Keep the drainage channel clear.
保持下水道畅通。 - The defect in the drainage must be remedied.
这排水系统的缺陷该设法补救。 - drainage usually has to be undertaken as a first operation
第一步通常采取排水措施。 - Pancreatic abscess obviously requires drainage.
胰腺脓肿显然需要引流。