The pump inlet filter program kept clean so as not to exhaust slowed down.
泵进气口的过滤纲保持清洁，以免抽气速度下降。
Softened water must be used. The filter units must be added at water pump inlet.
必须使用软化水。水泵吸水口必须加过滤装置。
The inlet pipe of each pump has an inlet filter to protect pump from being damaged by big particles.
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。
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