Methods: 50 cases were treated by modified YTF accordingly and 27 cases by western medicine as control.
方法：对50例患者以养血通经方随症加减治疗，并与27例西药治疗作为对照组。
Series YTF standard corrosion-proof pressure gauge are used to in common environment, for measuring of a medium with high corrosive.
YTF防腐型压力表测量外界使用环境较好、内部腐蚀性较强介质的压力。
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