ประโยคภาษาจีน : 中文句子 |
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shì 铈 yán 盐 dùn huà 钝化 chǔ lǐ 处理 xiào guǒ 效果 jiē jìn 接近 zhòng 重 gè suān yán 铬酸盐 dùn huà 钝化 lán 镧 yán 盐 pǔ 镨 yán 盐 dùn huà 钝化 yōu yú 优于 mù suān 钼酸 yán 盐 dùn huà 钝化 |
Performance of cerium salt passivating film was similar with that of chromating film. And lanthanum, praseodymium salt passivating was superior than molybdenum salt. |