求翻译：54只手经治疗后，51只手移植皮片、皮瓣均成活，仅3只手移植皮片后有局灶性坏死，创面得到有效覆盖。按关节活动范围（range of motion， ROM）评定，本组优31只手（57.4%），良17只手（31.5%），中4只手（7.4%），差2只手（3.7%）。是什么意思？

54 hand after treatment, 51 hand skin graft, flap survived, only three hands of skin grafts with focal necrosis, wound effective coverage. Range of motion (range of motion, the rom) evaluation were excellent in 31 hands (57.4%), good in 17 hands (31.5%), four hands (7.4%), the difference between the

Only 54 to 51 after treatment, only a transplant, skin flap survival, both only 3 hand transplant skin is the stove-top necrosis, the effective coverage. The joint activities range (range of motion, ROM) to assess and optimize the group only 31 (57.4 % ) Only 17, and 31.5 % (4 in) hand (7.4 %) and 2

54 hands after the treatment, 51 hands move the skin grafting piece, Pi Ban survive, after the only 3 hands move the skin grafting piece to have the game of stove necrosis, the injured area obtain the effective cover.According to the joint sphere of action (range of motion, ROM) evaluates, this grou

54 after treatment, the hand, 51 hand transplant survival of skin, skin flaps, only 3 hand transplantation after focal skin necrosis, wound be effectively covered. Scope of joint activities (range of motion,ROM) assessment, this group of 31, hand (57.4%), Liang 17 hands (31.5%), 4 hands (7.4%), 2 sh

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