【摘要】 本文介绍一种便携式微差压测试仪的设计 ,详细分析它的系统结构以及主要模块工作原理 ,并对它的精度进行讨论更多还原

【Abstract】 This paper describes the design of a portable draft pressure tester and analyses its architecture and the working principle of its main module,and also discusses its accuracy.更多还原