1.刀口型直尺:knife straigjht edge z'o+3zq^
2.刀口尺: knife straigjht edge qIl@,8T
3.三棱尺three edges straigjht edge ]v@,>!Wn
4.四棱尺four edges straigjht edge >{[J+f{~|
5.条式和框式水平仪 uFgw eOJ
bar form and square levels b?l\QMvi
6.合像水平仪 imaging level meter ofV{SeD67
7铸铁平板 cast iron surface plate C\Rd]P8\
8.岩石平板 granite surface plate 60m1
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9.铸铁平尺cast iron straigjht edge Qoc-ZC"<6
10.钢平尺和岩石平尺 c|XnPqo;f
steel and granite straigjht edge x1Uj4*Au
11.圆度仪 roundness measuring instrument (<