宣钢公司下属厂矿十几个 ,因宣传需要 ,10年前大都配备了松下Ｍ90 0 0摄像机。 10年来 ,它们默默地记录了企业的发展过程 ,为企业形象的宣传做出了巨大贡献。时至今日 ,这些“老朋友”虽有些疲惫 ,但都还在默默奉献着 ,现就多年来对其常见故障的应急维修方法介绍如下 :(1)不定 Xuan steel company affiliated factories and mines more than a dozen, due to propaganda needs, most of them equipped with Panasonic M90 10 years ago 10 cameras. In the past 10 years, they have silently recorded the development of the enterprise and made great contributions to the promotion of the corporate image. Today, although these “old friends” are somewhat tired, they are still quietly contributing. Now, the methods of emergency maintenance for their common faults are introduced as follows: (1) Uncertain