国产一区二区在线视频,亚洲Av永久无码精品表情包,一个添下面两个吃奶把腿扒开,最好看的2018中文字幕电影下载

G10 High quality Pneumatic Pick Hammers
  • G10 High quality Pneumatic Pick Hammers

● Functional uses

   Pneumatic tools for crushing coal seam, concrete, road surface and roadway dressing by impact. It can be used to cut off and break soft ore surface in mining. In the open pit mine for mining clay and soft rock; Used in civil engineering and subway construction to destroy solid or frozen strata and to dig holes, perforations and ditches.

image.png