2~10m,0.2~1.0m
2~10m,0.2~2.0m
2~20m,0.2~1.0m
2~20m,0.2~2.0m
SL/T 291.1-2021第6.6.3条第3点:宜布置覆盖全部检测部位的CT剖面,孔距宜为2~20m,点距宜为0.2~1.0m。
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