Using preact grouting to strengthen and improve strata, the safe excavation in the loose stratum with silty sand was achieved.
采用超
注浆加固改良地层，实现了在粉细砂松
地层的安全开挖；
,超(行动)
,修正Using preact grouting to strengthen and improve strata, the safe excavation in the loose stratum with silty sand was achieved.
采用超注浆加固改良地层，实现了在粉细砂松地层的安全开挖；
声明：以上例句、词性
类均由互联网资源自动生成，
经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
