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GJW35钢结硬质合金是一种用于热作工模具的新材料。
Steel bonded carbide GJW35 is a new kind of tool and die material.
youdao
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DGJW40钢结硬质合金是一种采用新工艺制作的新型材料。
DGJW40 is a new kind of steel bonded carbide made by a new technology.
youdao
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DGJW40钢结硬质合金是一种采用新工艺制作的新型材料。
DGJW40 is a new kind of steel bonded carbide made by a new technology.
youdao