中间体衍生化方法方法
intermediate derivatization method
低压低速灌浆法
low-pressure and low-speed grouting
高压灌浆法
high pressure grouting method
灌浆方钢管
grouted-square-steel tube
灌浆方钢管桁架
truss made of grout-filled square steel tube
化学灌浆法
chemical grouting
the high-pressure chemical grouting
孔口封闭灌浆法
bore hole-top-enclosed grouting method
袖阀管灌浆法
soletanche method
sleeve valve tube grouting method
环保型制浆方法
pulping technology of environmental protection