Practice shows that the well testing truck with hydraulic drive system can not only overcome the shortages existed in that with mechanical drive or mechano-hydraulic compound drive, but...

• 实践表明，试井车采用液压驱动，不仅能克服机械驱动或机械加液压联合驱动存在的缺点，而且结构简单，工作可靠，噪音小。