关于roughened的百科

• roughened造句怎么写

• Problem:Hard,dryandorroughenedskin.Herhandswereroughenedbyhousework.Heplacedasmallboxinherworkroughenedhand.Whentheyroughenedthematerialsoitwasn'tsmooth,lessthan1percentoftheradiationbouncedoff.FigureI.1showsabasiclaserdiodechipwhichconsistsoftwocle...
• 2017-02-2214452