Eco - environment of grassland degraded seriously because of human influence and destruction.
但由于人为因素的影响和破坏，草地生态环境发生严重退化。
Aluminum Composite Panel is a new kind of Eco-environment protection building material.
铝塑复合板是一种新型的生态环境建筑材料。
Aluminum Composite Panel is a new kind of Eco-environment protection building material.
铝塑复合板是一种新型的生态环境建筑材料。
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