1) heavy duty ratchet bit brace
重型弓型钻
2) heavy-duty drilling rig
重型钻机
1.
Evaluation on the varieties and structures of wire rope used on heavy-duty drilling rig;
重型钻机提升用钢丝绳的品种与结构评析
3) high tensile steel derrick
重型钻塔
4) bow-type
弓型
1.
Objective To sum up the result and the clinical experience of 36 cases suffered kyphosis which were due to ankylosing spondylitis and were corrected by three-columniation-osteotomy and internal fixation assisted with the bow-type bracket for spinal operation.
目的 总结应用弓型脊柱手术托架辅助单节段三柱截骨结合内固定系统治疗强直性脊柱炎后凸畸形的临床手术效果及治疗经验。
5) heavy-duty jobber length drill
重型长钻头
6) heavy duty radial drilling machine
重型摇臂钻床
补充资料：KQX-120型潜孔旋转两用钻机
KQX-120型潜孔旋转两用钻机
KQX一120型 潜孔旋转两用钻机巍
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条