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甲级消防卷帘门
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probl ems that cannot be ignored. Some le aders unwilling t o do masse s w ork, masse s concept weak, on masses feeli ngs not deep, pe ndulum not are with masses of relationshi p, t hink masses w ork is rev oluti onary war era of things, now obsolete ha s, burie d business work, ig nore d masses w ork of situation compare d General; some l eader s not do masse s work , ol d method regardl ess of w