Only by controlling fairly the hole spacing, secondary grouting time interval, number of secondary grouting and seal arou…
要提高施工工艺水平，应掌握好布孔间距、复灌间隔时间、复灌次数及注浆管周围封堵等环节。
Only by controlling fairly the hole spacing, secondary grouting time interval, number of secondary grouting and seal arou…
要提高施工工艺水平，应掌握好布孔间距、复灌间隔时间、复灌次数及注浆管周围封堵等环节。
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