释放方向盘，转向器中的旋转阀处于中位时，油泵和油箱之间是开环联接的。在。
Released the wheel of steering, pump and tank are connected in open circuit when the rotary.
分析循环流化床锅炉运行中出现的高温再热器、二级过热器爆管和给煤系统旋转给料阀经常堵煤等问题。
The causes of SH and RH tube explosion and coal feed system jamming in the operating CFBB are analyzed.
安装在计量阀侧边的集成电板可用于控制该独特的4通阀门和马达方向（在不使用旋转编码控制器时）。
An integral electronic board, mounted to the side of the valve, may be utilized to control the 4-way directional valve and motor direction (when not using a rotary encoder control).
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