1.刀口型直尺:knife straigjht edge #]<j.Fc`
2.刀口尺: knife straigjht edge ;W,XP#{W
3.三棱尺three edges straigjht edge Tm~a&p
4.四棱尺four edges straigjht edge U">w3o|
5.条式和框式水平仪 Cp=DdmR
bar form and square levels vggyQf%
6.合像水平仪 imaging level meter zY_BnJ^
7铸铁平板 cast iron surface plate (@@t,\iF
8.岩石平板 granite surface plate ' _Ij9{M
9.铸铁平尺cast iron straigjht edge 'AU(WHf
10.钢平尺和岩石平尺 F+
qRC_C>O
steel and granite straigjht edge `K37&b