Import and export pressure gauge the damage, should be replaced.
进出口压力表损坏时，应予以更换。
With high export pressure, it meets the conveying requirements of high-rise building and long distance construction.
出口压力高，能满足高层建筑和远距离施工的输送要求。
With high export pressure, it meets the conveying requirements of high-rise building and long distance construction.
出口压力高，能满足高层建筑和远距离施工的输送要求。
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