ประโยคภาษาจีน : 中文句子 |
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zhēn duì 针对 zǐ tóng 紫铜 yǔ 与 huáng tóng 黄铜 yì zhǒng 异种 cái liào 材料 jìn xíng 进行 le 了 jiǎo bàn 搅拌 mó cā 摩擦 hàn 焊 gōng yì 工艺 yán jiū 研究 |
The technology of friction-stir welding of dissimilar materials of copper (T2) and brass (H62) was investigated. |