1.刀口型直尺:knife straigjht edge y%Wbm&h
2.刀口尺: knife straigjht edge fa#5pys
3.三棱尺three edges straigjht edge .>^iU}
4.四棱尺four edges straigjht edge "raC?H
5.条式和框式水平仪 @\)a&p]a
bar form and square levels R![)B97^
6.合像水平仪 imaging level meter @FLa i
7铸铁平板 cast iron surface plate Qh{]gw-6
8.岩石平板 granite surface plate $ 0Up.
9.铸铁平尺cast iron straigjht edge 7a#zr_r
10.钢平尺和岩石平尺 :ySQ[AJ"
steel and granite straigjht edge )K>2
11.圆度仪 roundness measuring instrument no
UXRQ
12.电子水平仪electronic level meter <