Properties of the Zn-Ni alloy deposit were determined with the methods of X-ray diffraction analysis, microhardness and salt -spray test.

采用X—射线衍射分析法、显微硬度测试法和盐雾试验法来检测镀层性能。

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The blockings of head are always resulted by accumulated wastes in the screen mesh. Scale deposit is inevitable after long term using, some spray bores might be blocked without cleaning up.

花洒的堵塞往往是由于筛网罩堆积杂质造成的，花洒永久了难免会有水垢沉积，如果无法得到清理，有些喷口可能会被堵塞。

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