“duplex spot weld”的概念、定义、翻译、参考文献-科学参考

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单词	duplex spot weld
释义	duplex spot weld 双点点焊接头
随便看	productive structure of trade productive task productive technology management productive time productive value productive wealth productive workings productive year productivity productivity accounting productivity coefficient productivity difference productivity differential productivity factor productivity index(PI) productivity measurement productivity of added value productivity of capital goods productivity of furnace productivity of gas productivity of land productivity of transpiration productivity of workman productivity pattern productivity per worker