... mudslide-stricken region 泥石流受灾地区 timber cutting 树木砍伐 geological disasters 地质灾害 ...
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timber cutting volume 伐区采伐量
They also monitored timber cutting 他们也监测开采黄金和钻石情况
timber r cutting chain saw 伐木链锯
cutting area timber combines 伐区作业联合机
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