... body respirator 人体呼吸器 body rolling machine 罐身成圆机 body sachet 喷香料小袋 ...
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The size and geometric parameters of the rolling sections for the main body metal structure of the extracting core machine are selected according to the calculated results.
最后根据程序计算结果,选取了换热器抽芯机主体金属结构的型钢规格和几何参数。
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