injecting grout
... 注入灰浆：injection mortar 注入灌浆：injecting grout 注明款额已付的缴款通知书：receipted demand note ...
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二次注入灌浆 secondary compensation grouting
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清理基面后，安装模板，将山砂无机灌浆浆料注入结构物中，无需振捣。
After a base plane cleaning, a template is installed, then the hill sand inorganic grouting material is injected into the structure without vibration.
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