1. Reasonable structure 2. Auto chassis technology 3. ... with a high degree of standardization and generaliation.Applications:1. Wire line diamond core drilling for exploration of metallic ... , harbor work, piling, dam and tunnel. Main Features:1. Reasonable and compact in structure with the auto chassis technology ... single pipe)60KNBobbin linespeed (the third layer)0.7, 1.25, 2.24, 3.9, 4.73 m/sMobile Oil ...