SRP20 adopts two drilling modes of self-weight pressurization and cylinder pressurization, which can realize rotary drilling piles with a depth of 20 meters. High-efficiency and energy-saving ...Weitere Informationen
Nachrichten des BesuchersHinterlassen Sie eine Nachricht.
Noch keine öffentlichen Kommentare
Crawler Rotary Drilling Rig Engineering Construction Foundation Hydraulic Borehole Drilling Machine