As the thickness of blank increases, when the special products was required in thickness, it may be thought of graded hot-pressing.
但随板坯厚度(层数)的增加，即在制造厚度有特殊要求的产品时，应考虑采用分步热压法。
The sections are graded which means that the level increases as you progress through the test.
整个部分按难易程度划分成几段，即随着考试的进行，难易水平会逐步升高。
The sections are graded which means that the level increases as you progress through the test.
整个部分按难易程度划分成几段，即随着考试的进行，难易水平会逐步升高。
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