3 . damp : it can extend the using life of the pressure gauger because the special structure of the tube can reduce the puncture from violent valve of the measured pressure 3减震：由于接管内的特殊结构，可以减弱减缓被测压力剧烈波动对压力表的冲击，从而延长压力表的使用寿命。
2.
Ibm - pc acts as higher - up administrant computer ; and mcs - 51 singlechip acts as lower lever gauger . the date acquired from singlechip will be sent to the high - up administrant computer . in computer , those date will be processed and displayed and so on 夹具部分采用solidwork软件设计；而数据采集处理控制部分为“两级测量控制系统” ，即以ibm - pc作为上位管理机， 8032单片机构成的单片机系统作为下位监测机。
