| 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.條式和框式水平儀 bar form and square levels
6.合像水平儀 imaging level meter
7鑄鐵平板 cast iron surface plate
8.巖石平板 granite surface plate
9.鑄鐵平尺cast iron straigjht edge
10.鋼平尺和巖石平尺 steel and granite straigjht edge
11.圓度儀 roundness measuring instrument
12.電子水平儀electronic level meter
13.表面粗糙度比較樣塊鑄造表面 roughness comparison specimens cast surface
14.表面粗糙度比較樣塊磨、車、銑、插及刨加工表面
roughness comparison specimens-ground,turned,bored,milled,shape and planed
15.表面粗糙度比較樣塊電火花加工表面
roughness comparison specimens spark-erostion machining surfaces
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