The lining is easy to form, high in production efficiency, no damage to volute, and high in wear resistance. The pump has replaceable front and back pump cover for lowering maintenance cost.

本发明较已有技术衬里简单，节省能源，生产效率高，而且不会损坏泵壳，耐磨性能好，前后泵盖可单独更换，可降低用户维修成本。

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I left my purse back there on the gas pump.

我把钱包忘在那儿的油泵上了。

《柯林斯英汉双解大词典》

I back my car up to the next pump, hurry to get away from her.

为了躲她远点，我匆匆调转车头向下一个油泵驶去。

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We need Congress to develop a legal system and technology to pump CO2 back into the earth where it came from.

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When you ease off the accelerator, the car is able to use its rolling energy to pump charge back into its battery.

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Back at the fuel pump, Mr Butler is setting off to Heathrow, powered by the left-overs from his own local fish and chip shop.

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