The proofpressure elastic body is filled in the cushion, which can reduce the shock to make the riding more comfortable.
坐垫内填充耐压弹性体，可减少震动骑行更舒适。
2
Series YTF standard corrosion-proofpressure 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。
3
All Stainless Steel Inside bayonet Corrosion-proofpressure gauge could measure the pressure of the corrosion gas liquid be applied to the corrupt occasion.