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| | | | | | 共找到关于散热器的搜索结果47条,用时0.0096秒 |
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| | time:2009-4-16 8:39:00 pv:183 |
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| | time:2008-8-11 14:12:00 pv:201 |
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| | time:2008-8-31 8:59:00 pv:67 |
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| | time:2008-9-18 8:52:00 pv:112 |
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| | time:2009-8-12 8:23:00 pv:178 |
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| | time:2009-8-16 15:32:00 pv:138 |
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| | time:2010-1-7 13:57:00 pv:282 |
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| | time:2009-10-31 10:57:00 pv:126 |
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| | time:2009-10-29 15:33:00 pv:70 |
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| | time:2008-12-9 14:11:00 pv:472 |
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| | time:2008-8-27 10:34:00 pv:194 |
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| | 循环水泵两台或多台运行时,其运行工况并不是单台水泵流量扬程的算术叠加,而是远远低于该值,只比单台水泵略有增加,且联合运行时单台水泵工作效率低,工作条件差,电能消耗大。 |
| time:2007-7-1 9:13:00 pv:300 |
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| | 实现供暖运行中的量化管理,就是把热能、电能等能耗加以量化,把系统中的总流量和热用户的循环流量置于严格、精确的控制之下,将热量随流量按需分配到热用户,从而降低能耗。 |
| time:2007-7-1 9:25:00 pv:403 |
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| | time:2008-8-8 8:43:00 pv:107 |
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| | time:2008-10-12 11:38:00 pv:291 |
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| | time:2009-5-18 11:19:00 pv:55 |
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| | time:2009-10-13 9:02:00 pv:69 |
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| | time:2008-9-16 9:19:00 pv:129 |
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| | time:2009-6-10 9:13:00 pv:215 |
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| | 供热计量包括供热采暖系统的热源、热力站、建筑物以及用户供热量和用热量的计算。 |
| time:2008-6-3 15:41:00 pv:93 |
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| | time:2008-11-6 8:29:00 pv:127 |
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| | time:2012-4-16 15:34:00 pv:17 |
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| | time:2010-4-30 17:14:00 pv:99 |
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| | time:2009-9-3 10:57:00 pv:89 |
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| | time:2009-10-8 8:57:00 pv:973 |
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| | 在供热系统中其设计工况是按天气最冷时最大负荷设计的,而供热运行有50%以上时间是未满负荷运行状态。供热系统随室外气温变化变流量运行节能节电、是相当可观的。 |
| time:2010-4-12 22:13:00 pv:103 |
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| | time:2008-11-30 9:19:00 pv:51 |
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| | time:2009-2-25 9:43:00 pv:124 |
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| | time:2009-2-17 10:14:00 pv:97 |
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| | time:2009-2-18 10:41:00 pv:94 |
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| | time:2008-12-5 9:42:00 pv:105 |
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| | time:2008-12-6 9:37:00 pv:283 |
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| | time:2008-11-17 8:41:00 pv:176 |
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| | time:2011-7-16 9:06:00 pv:7 |
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| | time:2008-11-13 11:11:00 pv:130 |
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| | time:2008-11-23 10:29:00 pv:120 |
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| | time:2008-9-14 8:50:00 pv:69 |
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| | time:2008-9-17 8:32:00 pv:292 |
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| | time:2009-2-19 10:25:00 pv:156 |
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| | time:2008-9-1 8:32:00 pv:51 |
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| | time:2008-11-24 9:07:00 pv:71 |
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| | time:2008-9-22 11:19:00 pv:157 |
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