A screw driver pile diameter 400mm depth of not less than 12 meters, 24 hours a day non-stop, how much can be hit?
A screw driver pile diameter 400mm depth of not less than 12 meters, 24 hours a day non-stop, how much can be hit?
A screw driver pile diameter 400mm depth of not less than 12 meters, 24 hours a day non-stop, how much can be hit?
A screw driver pile diameter 400mm depth of not less than 12 meters, 24 hours a day non-stop, how much can be hit?
