绳索取心技术因其钻进效率高而广泛应用，但其无法实施定向作业。
The wire-line directional drilling and coring technology can take cores and drill directionally without using down-hole motors.
绳索取心技术因其钻进效率高而广泛应用，但其无法实施定向作业。
The wire-line directional drilling and coring technology can take cores and drill directionally without using down-hole motors.
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