泄洪洞抗冲耐磨混凝土施工及质量控制的成功，为减小泄洪洞过流面空蚀和抗冲耐磨提供了保障。
The successful concrete construction and quality control provides guarantees on reducing surface cavitation and increasing abrasion-resistance capacity.
对于宽电压范围启动过冲问题，本位设计出一种防止过冲的启动控制电路。
About current surge when start in wide voltage, corresponding control circuit of start-up is designed in this paper.
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