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土工膜是一种新型合成树脂材料,被称作是继钢材、水泥、木材之后的“第四建材”。土工膜在发达国家已经被广泛应用于农业、水利、交通、环保等工程建设中,以节约水资源、防水、防渗漏和防止环境污染等。由于我国塑料工业技术相对落后,所以对土工膜的认识和实际应用目前还处于起步阶段。专家提供的资料表明,对土工膜的大量需求,首先是我国农业、水利灌溉建设领域。我国灌溉每年总用水量大约3800亿立方米,有50%左右因渗漏流失。全国灌溉渠道总长300万公里,做了防渗
Geomembrane is a new type of synthetic resin material, which is called “the fourth building material” after steel, cement, and wood. Geomembrane has been widely used in agriculture, water conservancy, transportation, and environmental protection projects in developed countries to save water resources, prevent water leakage, prevent leakage, and prevent environmental pollution. Because China’s plastics industry technology is relatively backward, the understanding and practical application of geomembrane is still in its infancy. According to information provided by experts, the large demand for geomembrane is first and foremost in the fields of agriculture and water conservancy irrigation in China. The total annual water consumption in China is about 380 billion cubic meters, and about 50% is lost due to leakage. The total length of irrigation channels in the country is 3 million kilometers