高水头船闸输水阀门空化是一项普遍存在、急待解决的课题。
The cavitation on culvert valve of high lift lock is a knotty, wide - spread problem to be solved anxiously.
而这些有害现象都与输水阀门后的流态变化有着密切的关系。
But these harmful phenomena are closely related to the variety of flow pattern behind the reversed tainter valve.
文中讨论了影响选型的诸多因素，如闸室平面尺寸、输水阀门工作条件、单级或多级船闸的影响等。
Besides, many affecting factors, such as lock chamber dimensions, lock valve conditions and single or multi flight lock situations have been discussed.
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