德国技术合作公司也门地区的前董事迈克尔克林格，为了制造粘土灌溉设备，建造了一座烘干窑。 后来发现粘土灌溉设备的市场太小了。
Michael Klinger, the former country director of the GTZ in Yemen, built a kiln with the intention of making clay irrigation equipment, the market for which proved to be too small.
德国技术合作公司也门地区的前董事迈克尔克林格，为了制造粘土灌溉设备，建造了一座烘干窑。 后来发现粘土灌溉设备的市场太小了。
Michael Klinger, the former country director of the GTZ in Yemen, built a kiln with the intention of making clay irrigation equipment, the market for which proved to be too small.
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