The air winch Operator shall ensure that the winch wire is moving freely in the derrick (possibly guided by pulleys) to avoid any damage to the steel structure, especially the fingerboard.
气动绞车操作者要确认气动绞车钢丝绳和井架不干涉(可以用滑轮导向)，以避免损伤井架的钢结构，特别是指梁。
Results 22 lesions of 20 patients are all excisioned accurately by preoperative wire-localization guided by ultrasound and obtain pathologic diagnosis.
结果20例(22个病灶)经超声引导下导丝定位后全部准确切除，获得病理学诊断。
Results 22 lesions of 20 patients are all excisioned accurately by preoperative wire-localization guided by ultrasound and obtain pathologic diagnosis.
结果20例(22个病灶)经超声引导下导丝定位后全部准确切除，获得病理学诊断。
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