Gauge Appropriation trap, have reasonable with small scaled construction with the superior of the high quantity.
仪表专用疏水阀，具有合理的特小型结构和高质量的优越性。
2
The mangle reason of pressure gauge and clock caused by perforation in testing the construction with perforation and the solution ways are described in this paper.
阐述了测试射孔联作施工中，由于射孔造成的压力计及时钟的损坏原因及解决的办法。
3
The gauge may include an electromagnetic sensor operable to measure a response of construction material to an electromagnetic field.