男女嘿咻嘿咻免费专区-玩弄白嫩少妇xxxxx性-男啪女色黄无遮动态图-人妻少妇波多野结衣系列

G20A Pneumatic Pick Hammers
  • G20A Pneumatic Pick Hammers

A pneumatic tool used to break coal seam, concrete, road surface and roadway by means of impact. It can be used to cut off and break soft ore face in mining. Used in open pit mining for clay and soft rock; For the destruction of solid or frozen strata and for the digging of holes, perforations and ditches in civil engineering and subway construction.