“helicopter logging”的概念、定义、翻译、参考文献-科学参考

单词	helicopter logging
释义	helicopter logging Encyclopedia 农学集材释 helicopter logging直升机集材在森林采运作业中，将各伐木地点伐倒的木材逐次逐根悬吊于直升机下面空运汇集到装车场（山上楞场、集运木材点）的集材作业。
随便看	bubble vial bubbling bed bubbling bed boiler bubbling breakdown bubbling fluidized bed gasifier bubbling pipette bubbling reactor Bubi Bubnoff, Serge von Bubnov Bubnov-Galerkin method Bubo Bucareli Conference buccal absorption buccal adhesive tablets buccal tablets Buchanan Bucharest Buch crater Bucherer Bucherer reaction Buchi Emecheta Buchner funnel Buchsbaum Buchsbaum ring

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