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Terms containing churn drilling | all forms | in specified order only
SubjectEnglishChinese
hydroel.st.churn and grabbing drilling冲抓锥钻进
tech.churn drilling顿钻钻井
tech.churn drilling舂钻
dril.churn drilling冲击钻
eng.geol.churn drilling钢丝绳旋冲钻进
eng.geol.churn drilling冲击钻进
oilchurn drilling无游梁绳式顿钻
tech.churn drilling冲击钻 (探)
tech.churn drilling钢丝绳冲击钻进
tech.hand churn drilling手动钢绳冲击钻进