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Ground screw has special tightening equipment for construction.
The causes and treatment methods of sticking in the construction of auger drilling machine during the construction
The reasons for sticking in Construction: in addition to the fact that there are disordered strata that can be used as machines to jam in the normal drilling process, there are also the following reasons.
According to different geological conditions, different methods can be used to place the spiral pile foundation in the deeper stratum
With the continuous development of society, not only all walks of life are growing steadily
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