以下为句子列表：
英文: A metallurgical coating process in which iron or steel is immersed in a powder of another metal, such as zinc, chromium, or aluminum, and heated to a temperature below the melting point of either.
中文: 渗碳处理一种冶金镀膜工序，在此工序中把钢或铁浸入另一种金属如锌、铬或铝的粉剂里，并加热至这一金属的熔点温度以下
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英文: After the \4ear resistant alloy with high melting point is sprayed on the prototype, the spray formed layer is backupped, the prototype is separated from the spray layer, the post processing is completed, and a high precision perdurable metal tool is fina
中文: 在该原型表面熔射高熔点耐磨合金后，通过对熔射层背衬补强、并将原型与熔射层分离以及后处理，即可制得高精度耐久金属模具。
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英文: But the melting point of zinc is about 420 ℃ a nd it's vaporating point is 906 ℃.
中文: 但锌的熔点约为420℃，挥发温度为906℃，不利于焊接。
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英文: DARK RED FLAKE, MELTING POINT 197`C, EASILY DELIQUESCENT, SOLUBLE IN WATER POISONOUS, CORROSIVE AND FLAMMABLE WITH THE ORGANIC.
中文: 呈红色片状物，熔点197`C，极易溶解，易溶于水，有毒，腐蚀性强，与有机物接触可引起燃烧。
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英文: Friction stir welding (FSW) is a solid-phase welding operated under the melting point of workpiece materials; it's a technology which uses an anti-friction tool to join the sheet or shaped materials in rotary circs, and can be used in the welding of alumi
中文: 摘要摩擦搅拌焊(FSW)是在低于工件材料熔点情况下操作的固相焊接，是在旋转情况下通过一种耐磨工具将板材或型材材料连接的工艺，可用于铝、镁、铜等的焊接，焊接质量优良。
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