The paper analyzes the mechanism of vacuum preloading combined with surcharge preloading method, its construction techniques and its characteristics in hydraulic engineering.
介绍了真空-堆载联合预压法的加固机理、施工工艺及其在水利工程中应用的特点。
Combined with engineering example the characteristics of auger drill and construction defects for special strata are discussed.
结合工程实例，论证了旋挖钻机的特点及在特殊地层的施工缺陷。
Conclusion: Performing the teaching of drug synthetic reactions combined with the characteristics of pharmaceutical engineering is helpful to increase the teaching effects.
结论：结合制药工程专业特色进行药物合成反应教学，有助于教学效果的提高。
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