-
整体三螺旋、四螺旋稳定器分为井底型和钻柱型。
Integral Spiral Blade Stabilizer is divided into Integral 3-spiral Blade Stabilizer, Integral 4-spiral Blade Stabilizer.
youdao
-
整体三螺旋、四螺旋稳定器分为井底型和钻柱型。
Integral Spiral Blade Stabilizer is divided into Integral 3-spiral Blade Stabilizer, Integral 4-spiral Blade Stabilizer.
youdao