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MTL - Big Time 1958 - Chapter 328 women's needs
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... are added in the middle, and pressed. The whole device is surrounded by a radio frequency induction coil. When When the induction coil is energized, the zirconium metal is heated to a high temperature due to the induction of electric current, and the heat is transferred to the inner zirconia to be eutectic. The cooling water keeps the zirconia close to the surface 1-2mm in the cup in a solid state. After 2 hours of heating, the heat is gradually reduced and flawless columnar crystals begin to fo ...
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