furrow irrigation短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 沟灌 The result indicates: separate furrow irrigation is compared with full irrigation, the output is equal, water use efficiency add by12.44%, using water quantity is half to full irrigation; 结果表明，隔沟灌与全灌相比，产量相近，水分利用效率增加了12.44%，但用水量只有全灌的一半； cnki