久久久久国色Av免费看片-亚洲AⅤ无码一区二区三区-被公侵犯肉体中文字幕电影-超碰97在线免费观看
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.

久久久久国色Av免费看片-亚洲AⅤ无码一区二区三区-被公侵犯肉体中文字幕电影-超碰97在线免费观看