1.刀口型直尺:knife straigjht edge uw!w}1Y]}2
2.刀口尺: knife straigjht edge Q"o* \I
3.三棱尺three edges straigjht edge Y nD_:ZK
4.四棱尺four edges straigjht edge }BTK+Tk8
5.条式和框式水平仪 O*;$))<wX
bar form and square levels xF:}a:c@H
6.合像水平仪 imaging level meter G~z=,72
7铸铁平板 cast iron surface plate iME)Jl&
8.岩石平板 granite surface plate ^^q9+0@
9.铸铁平尺cast iron straigjht edge v[k;R
10.钢平尺和岩石平尺 $<;!F=%8
steel and granite straigjht edge K fM6(f:
11.圆度仪 roundness measuring instrument K]~! =j)v
12.电子水平仪electronic level meter Ue:LKK1Gsr
13.表面粗糙度比较样块铸造表面 roughness comparison specimens cast surface 1!(Og~#(
14.表面粗糙度比较样块磨、车、铣、插及刨加工表面 <1t.f}}uX
roughness comparison specimens-ground,turned,bored,milled,shape and planed mEL<d,XhI
15.表面粗糙度比较样块电火花加工表面 1L~y!il
roughness comparison specimens spark-erostion machining surfaces ~>&