滚动轴承的基本额定寿命是指同一批轴承中百分之几的轴承所能达到的寿命?( )
C
滚动轴承的基本额定寿命是指同一批轴承中90%的轴承所能达到的寿命。
PartIVTranslation
Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,(PassageTwo)
PartIVTranslation
Thepersonalservicetheyprovideissodeep-rootedinJapanthattheyarelikelytooperatealongsidetheglitteringnewshowrooms.(PassageThree)