anvil type percussion drill 顿钻
churn-type percussion drill 无游梁绳式顿钻钻机
churn type percussion drill 钢绳冲击钻机
percussion type air drill 撞击式风动钻机
percussion type drill machine 冲击式钻机
percussion type drill mvery singleine 打击式钻机
percussion type drill mveryine 冲击式钻机
type percussion drill
冲击钻
以上为机器翻译结果,长、整句建议使用 人工翻译 。
And also the author introduces the characteristics and application benefits of the new chain-type percussion drilling, and analyzes the popularization and application prospect of the drill.
并介绍了新型链式冲击钻的特点及应用效益,进一步分析其推广应用的前景。
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