精心的设计实现了最大的机械优势，同时因为工具的重量轻，操作人员的疲劳也降到最低程度。
The carefully engineered design achieves the absolute maximum mechanical advantage; along with the tool's light weight, operator fatigue is minimized.
精心的设计实现了最大的机械优势，同时因为工具的重量轻，操作人员的疲劳也降到最低程度。
The carefully engineered design achieves the absolute maximum mechanical advantage; along with the tool's light weight, operator fatigue is minimized.
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