lubricating line ; lubricating piping
动臂润滑脂管路组件 boom grease lines group
斗杆润滑脂管路组件 stick grease lines group
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为了实现润滑脂在管路中输送的无流量脉动，研制了一种低流量脉动泵。
In order to realize the transportation of grease without flux pulse in the tube, a low-flux pulse pump was developed.
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