1.刀口型直尺:knife straigjht edge 2.刀口尺: knife straigjht edge 3.三棱尺three edges straigjht edge 4.四棱尺four edges straigjht edge 5.条式和框式水平仪 bar form and square levels 6.合像水平仪 imaging level meter 7铸铁平板 cast iron surface plate 8.岩石平板 granite surface plate 9.铸铁平尺cast iron straigjht edge 10.钢平尺和岩石平尺 steel and granite straigjht edge 11.圆度仪 roundness measuring instrument 12.电子水平仪electronic level meter 13.表面粗糙度比较样块铸造表面 roughness comparison specimens cast surface 14.表面粗糙度比较样块磨、车、铣、插及刨加工表面 roughness comparison specimens-ground,turned,bored,milled,shape and planed 15.表面粗糙度比较样块电火花加工表面 roughness comparison specimens spark-erostion machining surfaces |
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