Stretch out a hand horizontally with the palm of the hand downward and the forefinger of the other hand upward to the first hand's palm and do rotated action.
一手平举，手心向下，另一手食指向上，对着第一只手的手心，做旋转动作。
Through the analysis of technique to action of head and hand turn, put forward difficulty of technique , and key of power fix for form-stretch time, let it rational the course of teaching .
通过对头手翻动作的技术分析，提出该动作的技术难点，以及形成其动力定型的关键所在——屈伸时间，使教学过程更加合理化。
Our company is the production of hydraulic stretch of double-action plate of specialized enterprises.
我公司是生产液压双动薄板拉伸机的专业化企业。
Compressible gas spring, Lockable gas spring, Balanced gas spring, Pressure adjustable gas spring, Pull Stretch gas spring, Double damping force gas spring, Double action gas spring and damper.
压缩气弹簧、角调气弹簧、平衡气弹簧、压力可调气弹簧、拉伸气弹簧、双向阻尼气弹簧、双向气弹簧、阻尼器。
Compressible gas spring, Lockable gas spring, Balanced gas spring, Pressure adjustable gas spring, Pull Stretch gas spring, Double damping force gas spring, Double action gas spring and damper.
压缩气弹簧、角调气弹簧、平衡气弹簧、压力可调气弹簧、拉伸气弹簧、双向阻尼气弹簧、双向气弹簧、阻尼器。
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