Medium-Hard Steel 中硬钢 ; 中等硬度钢
Medium Hard Steel 中硬钢 ; 中等硬度钢
medium hard coal 中等硬度煤
medium hard rock 中硬岩石
medium hard water 适度硬水
medium-hard 中硬
Medium-hard cheese 中硬奶酪
medium-hard rock 中硬岩石
medium-hard coal 中硬煤
KQC series of air hammers used in gas drilling can solve certain problems, such as lower ROP(Rate of Penetration) and well deviation, which occurred in mud drilling in above medium hard formation.
在油田气体钻井中使用KQC系列空气锤,解决了泥浆钻井在中硬以上地层中钻速慢、易井斜的难题。
Suitable for medium hard formation.
适应于中等硬度地层。
Suitable for soft to medium hard Non-abrasive formation.
适应于软到中硬非研磨性地层。
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