roofbolter

常見例句

• Rotary drill rod used for coal mining roofbolter
  煤礦錨桿鉆機用回轉鉆桿
• hand- holding water hydraulic roofbolter
  手持式水壓錨桿鉆機
• Aiming at the problem that rotary roofbolters are not suitable for hard terrane,the valveless hydraulic impact-rotary driving head of roofbolter was proposed.
  針對旋轉式錨桿鉆機不適用于堅硬巖層的問題,提出了無閥液壓沖擊旋轉型錨桿鉆機動力頭結構。
• The Noise Control of Pneumatic Roofbolter with Vane Motor
  葉片式風動錨桿鉆機的噪聲與控制
• Dynamic Characteristic Simulation of Hand-holding Water Hydraulic Roofbolter
  手持式水壓錨桿鉆機動態(tài)特性計算機仿真
• Function and application of MQT series pneumatic roofbolt(cable) drilling
  MQT系列氣動錨桿(錨索)鉆機的性能與應用
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