HEAT-INSULATING PISTON AND PREPARATION METHOD THEREFOR
A heat-insulating piston and a preparation method therefor. The preparation method comprises: coating the edge portion of the top of a piston with a metal/alloy modified bonding layer; coating the surface of the piston, which is coated with the bonding layer, with a metal/alloy modified yttrium oxid...
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Format: | Patent |
Sprache: | chi ; eng ; fre |
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