It is not advisable to lengthen the pressure gauge service life of sulfurous gas pipeline by improving the material behavior of spring tube.

指出从改善弹簧管的材质入手来提高含硫天然气管道用压力表的寿命是不可取的。

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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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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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