“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	wrecked rites and music wrecking crane Wreck of the Song Dynasty from Houzhu,Quanzhou wreck overall salvage wreck subsection salvage Wren wrench Wren satellite wresting shoot wrestling wrestling court WR galaxy W.R.Grace & Co. W. R. Hamilton W. R. Hamilton (1805—1865) W. R. Hamilton, 1805—1865 WRI WRIEC wriggle wriggling instability wriggling perturbation Wright Wright brothers Wright criterion Wright-Fisher model

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