r line distance for a,, to b vertical box distance for b, list can measured4РР学习文档 仅供参考Рseveral group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measuredР本合同一式捌份，甲方陆份，乙方二份Р十一、合同生效Р本合同双方约定自双方签字盖章后生效。РР甲方： 乙方：РР法定代表人： 法定代表人：РР委托代理人： 委托代理人：РР开户银行： 开户银行：农行苏坡桥支行РР帐号：22-891501040002288
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