Check valve and relief valve on the output of the gear pump tube had better install a check valve.
止回阀与安全阀在齿轮泵的输出管路上最好安装一个止回阀。
The cylinder head carries the valves, valve springs and the rockers on the rocker shaft, this part of the valve gear being worked by push-rods.
缸盖上装有气门、气门弹簧和摇臂轴上的摇臂，推杆推动这部分气门传动机构工作。
The device by the human operator launches, such as through the cone-shaped gear reducer drive, direct drive valve stem up and down movement of the valve gate.
本装置由人力操作手轮，通过锥形齿轮等减速传动，直接驱动阀门阀杆上下移动，启闭阀门。
Residual oil can be drained via valve at the rear of gear reducer and oil drain valve in thrust bearing oil sump.
残油的排放可由减速机尾部的阀门和推力轴承油池的放油阀门来进行。
Residual oil can be drained via valve at the rear of gear reducer and oil drain valve in thrust bearing oil sump.
残油的排放可由减速机尾部的阀门和推力轴承油池的放油阀门来进行。
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