roofbolter

基本解释

• 锚杆钻机

同根派生

英汉例句

• 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