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ZHEJIANGD ha escrito una nueva entrada en el blog: It is usually found after machining or heat treatment hace 4 años, 2 meses · Ver
Hole defects refer to the general name of hole defects with different sizes and shapes on the surface and inside of copper and aluminum castings, including pores, shrinkage holes, shrinkage and so on. Gas-hole-like defects in copper-aluminum castings are called pores, and their surfaces are generally smooth, mainly pear-shaped, round, and oval. Generally, the cloth […]
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