刮除毛刺，测量尺寸。
使用切管设备切断管子，为避免刺伤密封圈，请使用专用除毛刺器或锉刀将毛刺完全除净。
Cut out the pipe with pipe facilities. To avoid damaging the sealing ring, thepipe ends must beburred with special burring tool or file completely.
调偏装置设计有光杆修复刀，可自动修除光杆上的毛刺。
Provided with a burr-trimming cutter, the bias-adjustable device can remove automatically the burrs on the polished rod.
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