加强了铁氧体，导致增加硬度。

It strengthens the ferrite, causing increased hardness.

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实验结果表明：增加超声波功率，导致镀层硬度增大。

The experimental results show that the increase in ultrasonic power leads to the increase in hardness of the coating obtained.

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实验结果表明：增加超声波功率，导致镀层硬度增大。

The experimental results show that the increase in ultrasonic power leads to the increase in hardness of the coating obtained.

youdao