Too high suction height.

吸水高度过高。

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The suction capability of the pump depends on the cavitation margin and the maximum self-suction height of the pump.

泵的吸入能力取决于泵的汽蚀余量和最大自吸高度。

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Pump installation height, length should guarantee the pump working shall not exceed the permitted on vacuum suction height.

泵的安装高度，长度应保证泵工作时不超过允许的吸上真空高度。

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