欧美日韩一区二区三区人妻,13小箩利无码视频网站免费,日韩亚洲人成网站在线播放,国产精品毛片久久久久久久,98久久精品人人妻人人搡
saleslin@cayken.com.cn
Home>News>Drilling tool: drilling machine
Drilling tool: drilling machine
Time:2018-11-05Author:Shanghai Chengxiang

Diamond drill,also called concrete drill is a new type of tool which can drill on RC,brick and stone,rock,china and fireproof materials.It is hold such characteristics as working without dust,high efficiency,smooth wall of hole and accurate size.It is available in many fields of construction,quality-checking,airfield runway,tunnel of road,railroad and railroad bridge.


03_216489.jpg

   The diamond core drilling machine have functions of soft-starting, constant power, over-loading protection and stepless speed-regulation, second-step gear speed-regulation, third-step gear speed-regulation and with adjustable bracket,with vacuum sucker and drill an inclined bore at the angle of 0-90 degree.

欧美日韩一区二区三区人妻,13小箩利无码视频网站免费,日韩亚洲人成网站在线播放,国产精品毛片久久久久久久,98久久精品人人妻人人搡