歡迎訪問中科光析科學(xué)技術(shù)研究所官網(wǎng)!
免費咨詢熱線
400-635-0567
礦物油合成加脂劑檢測項目報價???解決方案???檢測周期???樣品要求? |
點 擊 解 答??![]() |
This standard specifies the characteristics of protective products, commonly known asgreases, for corrosion protection of bare overhead line conductors made of aluminium,aluminium alloy, steel wires or a combination of these wires.