The file hard (60rc) high strength aluminum alloy tube provides a smooth corrosion free sealing surface and excellent abrasion resistance.
文件的硬(60rc)高强度铝合金管提供了一个平稳无腐蚀密封面和良好的耐磨性。
A stainless steel and hard anodized aluminum alloy frame provides exceptional strength, ruggedness, and superior corrosion resistance.
阿不锈钢和铝合金阳极氧化硬框架提供了非凡的实力，坚固性，和优越的耐腐蚀性。
The file hard (60RC) high strength aluminum alloy lobe tube provides a smooth, corrosion-free abrasion-resistant sealing surface.
文件的硬（60RC）高强度铝合金叶管提供了一个平滑，无腐蚀耐磨密封面。
A hard anodic oxidation technique of forge aluminum alloy LD7 for piston was studied. The prescription and parameters of the technique were set up.
对铝合金LD 7硬质阳极氧化工艺进行了研究，提出了适合ld 7铝合金的工艺配方与工艺参数。
The air-bubble formation in the hard anodic oxidation of aluminum alloy (ZL109) pistol was studied using a pulse/galvanostat electric power supply device.
对铝合金阳极氧化区气泡形成的机理、影响和防止措施进行了探讨。
When smelting and aluminum alloy that the founding is mutually related, a hard nut to crack that metallurgy technology is first of all encounter is adjust clean degree the rigorous demand.
熔炼和铸造相关的铝合金时，冶金工艺首先遇到的难题是对纯净度的严格要求。
When smelting and aluminum alloy that the founding is mutually related, a hard nut to crack that metallurgy technology is first of all encounter is adjust clean degree the rigorous demand.
熔炼和铸造相关的铝合金时，冶金工艺首先遇到的难题是对纯净度的严格要求。
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