平行規(guī)ParallelRuler規(guī)格Typemm工作面平面度相對面平行度Flatnesslfworkingsurface＆parallelismofopplsitesufcace工作面間垂直度Squarenessbetweenworkingsufaces每對平行規(guī)H.W等長之差Tolerancelfh.wbetweenamatchedpair精密等級Precisiongrade( m)OO級O級OO級O級OO級O級160*25*161.5320401.53250*40*2524306024400*63*4048408048630*100*6361250100612可替代等高塊，用于測量零件的平行度，成對供應。Alternativeforblocks,usedtomeasurethedepthofparallelismofparts.