hand churn drilling

hand churn drill

手动钢绳冲击式钻机

Application of impact drilling in rock-embedding oblique steel pipe piles

冲击式钻机在钢管嵌岩斜桩施工中的应用

Impact Characteristic of Wire Rope During Gage Braking by Rope Parachute Gear

绳式防坠器制动过程制动绳冲击行为研究

churn-type percussion drill

无游梁绳式顿钻钻机

hand-held non-electric power-operated boring tools

手提式非电动机动钻具

Impact Dynamic Behaviors of Mine Hoisting Rope during Loading Process

矿井提升钢丝绳装载冲击动力学行为研究

Study on the Drivin of Cavity-front Constant-pressure Impact-rotary Hydraulic Roofbolter;

前腔常压式冲击旋转型液压锚杆钻机动力头的研究

Dynamics Simulation of the Hoisting Cable of Single Cable Winding Hoisting Device

单绳缠绕式提升机钢丝绳动力学仿真研究

lash type inertia vibrating shakeout

冲击式惯性振动落砂机

Research on the shock load characteristic model of a wire-cable vibration isolator

钢丝绳减振器冲击载荷特性模型研究

Study on the Wire Rope Enwinding System for the Roller in ZJ70D Drilling Rig;

ZJ70D钻机滚筒钢丝绳缠绕系统研究

The Research of Portable and Quick Vibration Impact Sampling Equipment and Drilling Technology;

轻便快速振动冲击取样机具与钻进工艺的研究

Production of electrical tools, such as electric drills impact, angle angle grinder, saw, electric drill and curves.

生产各类电动工具，如冲击电钻，角向磨光机、电钻和曲线锯等。

worm-type mechanical hand-feed drill

蜗杆式机械手动推进钻机

cable belt conveyor

钢绳张紧带式输送机

planetary stranding machine

行星式钢丝绳捻股机

The Strength and Modal Analysis of GCF-1500 Impact Drilling Machine Tower;

GCF-1500冲击钻机钻塔强度与模态分析

A Technical Investigation on Drilling in Australia and the Technical Service of Wire-line Coring Percussive-rotary Drilling

澳大利亚钻探技术考察与绳索取心冲击回转钻进技术服务