卸料泵
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Motor-driven oil unload pump 卸油泵
unload pump
卸载泵
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Unloading method of injecting nitrogen to tank car to raise pressure and liquid extraction with centrifugal pump simultaneously is often used to unload butadiene tank car.
丁二烯罐车卸车多采用氮气注入罐车加压，同时用离心泵抽液的卸车方法。
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