praying wheel
祈祷轮
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It is tested for phosphating of JL650 wheel by changing prescription and technical index, the quality of phosphating is improved and it is prepared well for paints praying.
对JL65 0型轮辋的磷化处理工艺进行了试验，通过改变配方和技术指标，从而提高磷化质量，为喷漆作好准备。
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