There is a long distance for China to catch up with the developed countries in coating industry and the production technology of plastic-coated steel pipes.
我国涂塑钢管的生产技术及涂料工业与某些工业发达国家相比还有很大差距。
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The water in the river bend, because the stone cage nets may encounter plasticcoated gabion mat, the water will turn down the inherent channel flow can safely guide water.