pneumatic tensioning system 气动张紧装置
riser tensioning system 隔水管张紧系统
Manual crank spring tensioning system 手动摇杆弹簧拉力系统
Belt Tensioning System 独创安全带紧带设计
multiple jacks tensioning system 多顶张拉系统
Semi-Automatic belt tensioning system 半自动皮带张紧系统
End Cap: Belt Tensioning System, easy access, easy adjustment.
完第：皮带张紧系统，方便，调整方便。
Manual crank spring tensioning system strings all racquets fast, precisely and easily.
手动摇杆弹簧拉力系统，可拉任何球拍，操作快速与准确。
Angle may be changed without manual adjustment due to the automatic belt tensioning system.
角度的更改可能无需手动调整，这是因为该机具有自动皮带张力系统。
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