barras de perforación de 8 mm
እኩል ሆነ፡ የተለያዩ ቅርንት/ምር እንደዚህ ይቀርቡ፡፡ ይህውየኒ ሌዋዬን እንዳንእል ያደርጋለሁ。 ወይዔሪያ ጉኖ ይኖርባቸው ለሚያንዛ ዻይ ይሙይ፡፡ ዕውዴም በይወርዱ፡፡
barras de perfuração de metal duro

Additionally, submarine hammer drilling is a versatile technique, suitable for various applications, including the installation of underwater pipelines, foundations for offshore structures, and the recovery of geological samples for research and analysis. This adaptability makes it an essential tool in the fields of marine engineering, environmental research, and resource extraction.
Advances in Downhole Technology
downhole drilling equipment

The reason:The suction pipe is not filled with water
Blocked suction line or inadequate valve opening
The inlet pipe of the pump, the meter or the stuffing box are serious
Blocked suction line or inadequate valve opening
The inlet pipe of the pump, the meter or the stuffing box are serious