如图所示的平衡回路中，若液压缸无杆面积为<img src="https://nimg.ppkao.com/2019-04/wuacheng/2019042216442670825.jpg?sign=a964265ff1a214e12012581e9d83542f&t=62d56ef8" />有杆面积<img src="https://nimg.ppkao.com/2019-04/wuacheng/201904221644432843.jpg?sign=30e895e92e61c78ac3965dde95772711&t=62d56ef8" />活塞与运动部件自重G=6000N，运动时活塞上的摩擦力为<img src="https://nimg.ppkao.com/2019-04/wuacheng/2019042216451038295.jpg?sign=07398a03ecd3a66088c1c66c0aff06d3&t=62d56ef8" />向下运动时要克服负载阻力为<img src="https://nimg.ppkao.com/2019-04/wuacheng/2019042216452789810.jpg?sign=e36cbd5c9c89acada94066a4d6f0f07f&t=62d56ef8" />试问顺序阀和溢流阀的最小调整压力各为多少？<br /> <img src="https://nimg.ppkao.com/2019-04/wuacheng/2019042216460184438.jpg?sign=ddc43a079d448eb8022741e75d97779e&t=62d56ef8" />