英语词汇“protection ring system”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	protection ring system
释义	protection ring system 保护环系统
随便看	extraction of dental root extraction of deuterium from seawater extraction of glue extraction of impacted third molar extraction of impacted tooth extraction of intraocular foreign body extraction of intraorbital foreign body extraction of iodine from sea water extraction of lens extraction of lithium from seawater extraction of magnesium from sea water extraction of magnetic intraocular foreign body extraction of model parameters extraction of nonferrous metal extraction of object extraction of oil extraction of old trees from young woods extraction of potassium from sea water extraction of rare gases extraction of root extraction of soil solution extraction of square root extraction of steam extraction of stumps extraction of the cubic root 一洗北尘昏一洗空人世一派秋声入廖廓一涓春月点黄昏一溪云一溪初入千花明一溪流水一溪烟柳万丝垂一溪萦作万重愁一灯人著梦家公家具家养家况家务家务事家叔家口家史家君