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Chapter 183: The last step
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Chapter 185 Reciprocating
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... need to be that good?
Final sintering forming work, have to use specialize electric oven to be finalized
High-temperature vacuum electric oven!
The advantages of the vacuum firing are very numerous. It is a period of time before it is put. This kind of vacuum furnace needs a large amount of foreign exchange to be imported from abroad. In Huaxia, it is to mark the key protection equipment stamping nameplate.
In those years, calculate the entire country jus ...
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