zero gravity造句

• Rf series spring balancer is an auxiliary tool mated with operating tool , it is manufactured by ourselves with international advanced technology , this kind of product relies on the energy stored by coil spring to keep operating tool suspended in the state of zero gravity , thus , it is helpful for greatly reducing the worker labor strength and improving labor production efficiency
  Rf系列弹簧平衡器是我公司采用国外先进工艺自行设计制造的一种与操作工具配套使用的辅助工具，该系列产品借助卷簧积蓄的能量，使所悬挂的操作工具处于无重状态，大大降低了操作工人的劳动强度，提高了劳动生产效率。