churn-type percussion drill的意思|示意
美 / /
英 / /
搅拌式冲击钻机
churn-type percussion drill的网络常见释义
无游梁绳式顿钻钻机 ... churn-drill bit 冲击钻头 churn-type percussion drill 无游梁绳式顿钻钻机 churner 手持式长钎子 ...
churn-type percussion drill相关短语
1、 churn type percussion drill 钢绳冲击钻机