吸油口粗过滤器可保护油泵并延长主过滤器的使用寿命。
The coarse filter in suction orifice can protect oil pump and increase filter service life.
每个油泵的进油管路上都装有一个入口滤油器，保护油泵不被大的颗粒损坏。
The inlet pipe of each pump has an inlet filter to protect pump from being damaged by big particles.
并安装了超载保护，即保证电机及油泵负荷的压力开关。
And installed the overload protection, namely to ensure that motor and pump load pressure switch.
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