barras de perfuração de terra de precisão
(4) When replacing the drill bit, the drill bit should be gently pressed against the rock, so that the motor of the drill can be reversed to complete the sensitive unloading head.
Conclusion
Cleaning method:
Open valve or desilting
Improved design of suction lines or desilting
Lower mounting height
Cleaning method:
Open valve or desilting
Improved design of suction lines or desilting
Lower mounting height