graphite grey 中文意思是什麼
graphite grey
解釋
石墨灰-
Standard grade for turning, drilling, milling, reaming, countersinking of hardened steels, white and grey cast iron light metals, plastics and synthetic materials, al - si - mn - cu - alloys, glass, ceramics, graphite
對硬鋼、白鑄鐵、灰鑄鐵、輕金屬、塑料、合成材料、鋁-硅-錳-銅合金、玻璃、陶器、石墨等進行車削、鉆孔、銑削、鉸孔、穿孔等加工的標準牌號。
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