求翻译：xz3000做抢险工程，其中有500m为岩石工程，设备要将1505直径的三牙轮钻头在岩石地层中拉出来，经过86小时不间断施工，扩孔成功，最终轻松托管是什么意思？

do xz3000 rescue works, of which 500m for rock engineering, the three-cone drill bit of the 1505 diameter of the device you want to pull out in the rock strata, after 86 hours non-stop construction, expansion of successful and ultimately easily managed

xz 3000 rescue and relief work done, which is 500 m to the rock engineering, equipment will be 1505 to 3 diameter of the bits in the rock strata, pull out after 86 hours non-stop construction, bore easily managed successfully, and ultimately

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Emergency works of xz3000, including 500m of rock engineering, equipment to 1505 diameter three-cone drill in pulling out the rock formations, after 86 hours of uninterrupted construction, reaming success ultimately easily managed

xz3000 makes the emergency project, including 500m is the rock project, the equipment must pull 1505 diameter three roller bits in the rock stratum, passes through 86 hours uninterrupted constructions, drills out successfully, finally with ease is entrusted with