花崗石（大理石）方箱1）花崗石（大理石）方箱的檢定標(biāo)準(zhǔn)：根據(jù)國家檢定規(guī)格：JJG194-92制造。2）花崗石（大理石）方箱的規(guī)格型號： 規(guī)格(mm)工作面平面度相對面平行度工作面間垂直度每對平行規(guī)H.W之差精度等級（mm）000000000100 100 1000.0010.0020.0010.0020.0010.002150 150 1500.00150.0030.0010.0020.00150.003200 200 2000.0020.0040.00150.0030.0020.004300 300 3000.0030.0060.00150.0030.0030.006400 400 4000.0040.0080.0020.0040.0040.008500 500 5000.0040.0080.0020.0040.0040.008