ball electrode 中文意思是什麼
ball electrode
解釋
球形電極-
Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrode pitch - determination of softening point ring and ball method
制鋁工業用炭素材料取樣與試驗方法.第1部分:電極硬柏油脂.第3節:軟化點測定 -
Spark ball electrode
火花球電極
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