suction head　是什么意思_suction head　用英语怎么说_suction head　的翻译_suction head　翻译成_suction head　的中文意思_suction head　怎么读,suction head　的读音,suction head　的用法,suction head　的例句

The suction head for the vacuum cleaner improves cleaning performance.

真空吸尘器的吸入压头改善了吸尘效能.

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Check foot valve, lower suction head, block up the air leak place.

检查底阀, 降低吸水高度, 堵塞漏气处.

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