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选择无污染源的区域种植要求生态环境良好,周围3公里内无工业“三废”及农业、城镇生活、医疗废弃物污染,避开公路主干线(大于
Choose a non-polluting source of the regional planting requires good ecological environment, no industrial “three wastes” and agricultural, urban life, medical waste pollution within 3 km around the bypass to avoid the main road