| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely and rapidly start revolution during dozer work. <P>SOLUTION: A control valve V8 for revolution and a control valve V9 for a dozer are connected to a common pump P3 in parallel, and a throttle s is interposed in an oil passage for feeding pressure oil to the control valve V9. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
