This paper discusses the necessary precision of construction control network in the industrial sites.
本文讨论了工业建设场地施工控制网的必要精度。
Work sites do not clean, in addition to the wrong can cause precision, also can add iron plate of wear and tear.
工作场所不清洁，除会造成精度错误外，也会增加铸铁平板的磨损。
Work sites do not clean, in addition to the wrong can cause precision, also can add iron plate of wear and tear.
工作场所不清洁，除会造成精度错误外，也会增加铸铁平板的磨损。
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