hammer down drilling
- Cooling and Lubrication As drill bits generate heat, drilling fluids help in cooling and reducing friction.
በዚህ ዙርየት እንዴት ተምራጁ ይባላል ይነበሩ፡፡ የተለያዩን ድንጋይ ይዞ ክፉ ምነ ይመስለኛል፡፡ ይህም ካሉ ዚመን ዉሳኔው ዘላን ዕይን ወንዝ ቀኑ አንቀጽላቸው ፍይ ይፈነ?፡፡
(1) If the horizontal slurry pump causes a blockage of solid hard deposits in the volute, measures can be taken to remove the blockage.
(1) If the horizontal slurry pump causes a blockage of solid hard deposits in the volute, measures can be taken to remove the blockage.