久久婷婷人人澡人人喊人人爽,国产精品亚洲а∨天堂2021,男人的天堂在线视频,国内精品人妻久久毛片APP

G20B Pneumatic Pick Hammers
  • G20B 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.