roofbolter

常见例句

Rotary drill rod used for coal mining roofbolter
煤矿锚杆钻机用回转钻杆
hand- holding water hydraulic roofbolter
手持式水压锚杆钻机
Aiming at the problem that rotary roofbolters are not suitable for hard terrane,the valveless hydraulic impact-rotary driving head of roofbolter was proposed.
针对旋转式锚杆钻机不适用于坚硬岩层的问题,提出了无阀液压冲击旋转型锚杆钻机动力头结构。
The Noise Control of Pneumatic Roofbolter with Vane Motor
叶片式风动锚杆钻机的噪声与控制
Dynamic Characteristic Simulation of Hand-holding Water Hydraulic Roofbolter
手持式水压锚杆钻机动态特性计算机仿真
Function and application of MQT series pneumatic roofbolt(cable) drilling
MQT系列气动锚杆(锚索)钻机的性能与应用