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bush clearing The removal of brush using mechanical means, either by cutting manually or by using machinery for crushing, rolling, flailing, or chipping it, or by chemical means or a combination of these (使用机械方法清除灌木,或者用手工或者通过使用机械碾碎、滚压、挤压或切碎灌木,或者通过化学方法或者使用这些方法的组合。) |