roofbolter

常见例句

Rotary drill rod used for coal mining roofbolter
煤鑛錨杆鑽機用廻轉鑽杆
hand- holding water hydraulic roofbolter
手持式水壓錨杆鑽機
Aiming at the problem that rotary roofbolters are not suitable for hard terrane,the valveless hydraulic impact-rotary driving head of roofbolter was proposed.
針對鏇轉式錨杆鑽機不適用於堅硬巖層的問題,提出了無閥液壓沖擊鏇轉型錨杆鑽機動力頭結搆。
The Noise Control of Pneumatic Roofbolter with Vane Motor
葉片式風動錨杆鑽機的噪聲與控制
Dynamic Characteristic Simulation of Hand-holding Water Hydraulic Roofbolter
手持式水壓錨杆鑽機動態特性計算機倣真
Function and application of MQT series pneumatic roofbolt(cable) drilling
MQT系列氣動錨杆(錨索)鑽機的性能與應用