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Manual Traffic Exchanges This is a list of Manual traffic exchanges that you can use to get your site viewed by thousands of people a week. Manual traffic exchanges are better known for quality over the quantity you find with auto surfs. But both are great for generating traffic.

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Old 05-17-2011, 02:37 AM   #1
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Default |清大圣科气化炉反骗子.|研究人员开发出透明塑料激光

项目经理AlexanderOlowinsky说:“到目前为止,人们通常只能选择一种塑料组合:那就是透 明色和黑色。××清大圣科×清大圣科电焊条×清大圣科电 焊条设备×清大金桥×清大金桥电焊条设备×清大圣科气化炉&time s;www.qhsk.cn×清大圣科科技有限公司××而在许多应用 领域-比如医疗技术-都需要焊接两种透明塑料件。××清大圣科×清大 圣科电焊条×清大圣科电焊条设备×清大金桥×清大金桥电焊条设备&t imes;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司&ti mes;×”
据这家总部设在德国亚琛的研究团体称,截至目前,在此类焊接所用的两个塑料件中,一个必须为透明件,使激光 能穿透其中,而另一个部件必须具备辐射吸收能力。××清大圣科×清大 圣科电焊条×清大圣科电焊条设备×清大金桥×清大金桥电焊条设备&t imes;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司&ti mes;×

夫琅和费激光技术研究所的研究人员正在熔合透明塑料件的激光焊接技术上取得突破。×&time s;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥&ti mes;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&time s;清大圣科科技有限公司××
夫琅和费激光技术研究所的研究人员对各类透明聚合物的吸收光谱展开了研究,确定了可吸收激光辐射的波长范围 。××清大圣科×清大圣科电焊条×清大圣科电焊条设备& times;清大金桥×清大金桥电焊条设备×清大圣科气化炉×www .qhsk.cn×清大圣科科技有限公司××随后研究团队开发出了与 此类波长匹配的激光系统,还有可聚焦光束确保精准焊接的特殊镜片。××清大圣科& times;清大圣科电焊条×清大圣科电焊条设备×清大金桥×清大金 桥电焊条设备×清大圣科气化炉×www.qhsk.cn×清大圣科科 技有限公司××
也就是说通常情况下不得不把灰粒也混入到塑料件中。××清大圣科×清 大圣科电焊条×清大圣科电焊条设备×清大金桥×清大金桥电焊条设备& times;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司&t imes;×
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