About Liu Jihua
About 石家庄鉄道大学 土木工程学院,河北 石家庄,050000
About Keji Chuangxin yu Yingyong
About stratum
About borehole
About quality
About water leakage
About twist drill
About steel
About karst landform
About drilling(cutting)
About clay
About construction period
About buried work
About rock
About shock(mechanics)
About geology(geological feature)
About ケーシング
About Piles,pile foundations,sheet pile foundations
About カルスト
About 掘削孔
About 注入
About ケーシング
About 高速施工