普通: common; general; ordinary; plain; honest; private; trile; average 短语和例子普通一兵 an ordinary soldier; a soldier in the ranks; a rank-and-filer; 普通人 the average person; the man in the street; 这是
Rolling bearings - dynamic load ratings and rating life - methods for calculation of the modified reference rating life for universally loaded rolling bearings 滚动轴承.动荷载额定值和额定寿命.普通荷载滚动轴承