dth hammer рабочий принцип
4. Drill Pipes
「le dhd380」とは、のやをしてされたやのつをします。このはにその、、いやすさがされており、くのユーザーにされています。は、le dhd380のやのについてします。
The 185 CFM diesel air compressor is versatile enough to serve numerous applications. Here are a few prominent ones
Second, the use and characteristics of the drilling rig:
1). Use:
Engineering anchoring drill can be used in urban construction, railway, highway, river, hydropower and other projects to drill rock anchor hole, anchor hole, blasting hole, grouting hole and other drilling construction.
Second, the use and characteristics of the drilling rig:
1). Use:
Engineering anchoring drill can be used in urban construction, railway, highway, river, hydropower and other projects to drill rock anchor hole, anchor hole, blasting hole, grouting hole and other drilling construction.