After a decade of high-speed of expansion, township enterprises have entered a period of adjustment under the pressure of both outer environment and inner system.
乡镇企业经历了十余年高速扩张后，在外部环境和内部机制的双重压力下开始进入一个调整期。
2
Integrating with experimental device, this paper analyses the lay out of pressure measuring tube in the experiment under the sudden expansion of partial resistance so as to obtain the best effect.