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roughened造句怎么写
  • roughened造句怎么写

  • Problem:Hard,dryandorroughenedskin.Herhandswereroughenedbyhousework.Heplacedasmallboxinherworkroughenedhand.Whentheyroughenedthematerialsoitwasn'tsmooth,lessthan1percentoftheradiationbouncedoff.FigureI.1showsabasiclaserdiodechipwhichconsistsoftwocle...
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