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。
SY1 series downhole pressure gauge is made of spring tube.
SY1型系列井下压力计，是一种弹簧管式井下压力计。
SY1 series downhole pressure gauge is made of spring tube.
SY1型系列井下压力计，是一种弹簧管式井下压力计。
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