查找引发创伤的原因，例如安装不良的设备或疾跑时发生踏空。
Look for an obvious cause of the injury such as poorly fitting equipment or a missed step while sprinting.
不良的遮蔽连接是安装同轴电缆中，最大的连接问题的来源之一。
Poor shield connection is one of the biggest sources of connection problems in the installation of coaxial cable.
引起热控设备损坏的原因有电源及信号电缆接地不良、虚接地及利用安装支架作为接地等情况。
Several factors contributes to the damages on control equipment such as the bad grounding of power supply and signal cables, virtual earth and utilizing installing bracket as grounding etc.
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