irrigation
特殊用法adequate irrigation1.■水利化basin irrigation1.■小块灌溉broad irrigation1.■漫灌, 泛灌check irrigation1.■畦灌flood irrigation1.■漫灌flush irrigation1.■淹灌furrow irrigation1.■沟灌, 畦灌land filtration irrigation1.■浸润灌溉light irrigation1.■轻灌; 浅灌nozzle-line irrigation1.■喷灌ridge irrigation1.■畦灌sewage irrigation1.■污灌spray irrigation1.■喷洒灌溉法