Exterior panel member fastening devices shall be corrosion resistant, non - metallic material.

外部连接装置都需抗化学腐蚀, 非金属材料 .

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Welding plays an important role in metallic material processing.

焊接在金属材料加工过程中占有重要的地位.

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A length, L, of finished cable is cut such that it contains 10 grams of non - metallic material.

切一段L长度的成品电缆作为试样,电缆应含有10克 非金属材料 .

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A uniplanar multi - electrode configuration is designed to detect the structure anomalies of non - metallic material component.

针对 非金属 材料部件结构异常的检测,提出同面多电极测量方法.

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Metallic material combination with asbestos plate , making it elastic and tight, free of leakage.

金属材料与石棉板冲合, 弹性大,密封好无泄漏.

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