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yuanlishiliyongshuizuorunhuajiheshusongji,shishugenyuturangjiehedelaoguchengdujiangdi,ranhouyongdiaochebadashuliangenbaqi,yizaidaoxindezaizhidi。zheyangkezuodaobushanggen,jizaijihuo。xiangsongshuzhezhongbuyiyizaichenghuodeshuyenengyonggaifangfayizaichenggong,fengfuchengshi、平原綠化樹種構成。
jutifangfashizaiyaoyizhidedashugenfenbudeturangzhouweidakong,shudaduoda,shuxiaoshaoda,ranhouyongshuiguangen,shigenzhouweideturangchengjiangzhuang。bingzaidashudefenzhichuzuohaochendian,waikuntielian,yudiaojilianjie,badashuliangenbaqi。you3點值得注意:一是灌根要充分,即要求充分浸透,否則在吊機起吊時可能拉斷主杆;二是起吊的分枝處一定要襯均勻,使受力部分均勻分布,以免在起吊時勒傷樹木的韌皮部;三是起吊的用力方向一定要與樹幹方向保持一致,減少分力,以免折斷樹幹,因為樹木的徑向抗拉強度遠遠大於樹木橫向的抗折強度。
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