当球珠已在金属板上冷却，把它转移到一个研钵里，研磨成细粉。
When the bead has cooled on the metal sheet transfer it to a mortar and grind to a fine powder.
当球珠已在金属板上冷却，把它转移到一个研钵里，研磨成细粉。
When the bead has cooled on the metal sheel transfer it to a mortar and grind to a fine powder .
利用超声电解法能够制备出超细金属粉。
Ultrafine metal powder can be prepared successfully by means of...
利用超声电解法能够制备出超细金属粉。
Ultrafine metal powder can be prepared successfully by means of an ultrasonic electrolysis process.
利用超声电解法能够制备出超细金属粉。
Ultrafine metal powder can be prepared successfully by means of an ult...
利用超声电解法能够制备出超细金属粉。
Ultrafine metal powder can be prepared successfully by means of an ult...
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