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for subject
Drilling
containing
extra extra
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all forms
English
Chinese
double extra heavy
双重加厚的
double extra heavy
特加重的
double extra heavy pipe
特加重钻杆
double extra strong
双重加厚的
extra gage protection
超直径保护
extra gage protection
特别保径结构
extra hand
加力杆
extra hand
加长杆
extra heavy
加重的
extra heavy valves and fittings
加重型阀门和管件
extra hole
一种钻杆螺纹接头形式
4扣/英寸
extra hole
大贯眼
extra hole
加大贯眼型
钻杆接头
extra large hole
特大
型
井眼
extra rapid harding Portland cement
超快速硬化波特兰水泥
extra slim hole
极【特】小井眼
extra slim hole
超小井眼
extra strong
加强的
extra voltage
极高电压
extra-heavy drill rod
厚壁钻杆
extra-heavy pipe
厚壁钻杆
extra-heavy pipe
加重管
extra-heavy swage
加重异径短节
extra-heavy swage
厚壁大小头
extra-high tension
最高张力
extra-high tension
极高电
气
压
extra-long near-bit stabilizer
超长近钻头稳定器
extra-low density cement slurry
超低密度水泥浆
extra-strong pipe
超强管
extra-strong pipe
加强管
extra-strong pipe
加重管
extra-strong pipe
特厚壁管
extra-weight drill pipe
加重钻杆
national extra fine thread
美制超细扣螺纹
reverse out extra cement
反循环出多余水泥
unified extra-fine thread
统一标准特细螺纹
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