本文从系统研究二元明流反弧段的水力特性入手，探讨反弧段的空化特性。
After systematical research on the related hydraulic characteristics is carried out those of cavitation are further investigated.
明流反弧段是容易发生空蚀的部位。
The place downstream of bucket in an open channel is easily subject to cavitation damages.
本发明公开一种钢板堆焊设备，尤其涉及一种明弧添加特种合金粉自动堆 焊设备。
The invention discloses steel plate overlaying welding equipment, in particular to automatic open arc overlaying welding equipment with special alloy powder.
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