GB 50500-2013 第4.1.2条
| **** | **Units of measurement and significant digits**: The units of measurement in the bill of quantities must comply with the provisions of the appendix. For example: items measured in "m" (such as pipelines and skirting boards) retain two decimal places; items measured in "m²" (such as wall plastering and carpet laying) retain two decimal places; items measured in "m³" (such as concrete and earthwork) retain two decimal places; items measured in "t" (such as rebar and structural steel) retain three decimal places; items measured in "pcs/set/group" are taken as whole numbers. |