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			<h5>产品分类</h5><span>Product classification</span>
			<div class="index_tit_r"><b>为您提供变压器组件一站式采购</b><em>咨询热线：400-024-8115</em></div>
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					<div class="index_ca_1ah1">突发压力继电器</div>
					<div class="index_ca_1ah2">各种型号突发压力继电器，以油箱内部压力变化速度作为电气报警信号的一种保护继电器，它用于保护油箱安全。</div>
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			<h5>精品推荐</h5><span>Boutique recommendation</span>
			<div class="index_tit_r"><b>为您提供变压器组件一站式采购</b><em>咨询热线：400-024-8115</em></div>
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						<b class="in_zxca_b1_1b">瓦斯继电器QJ9-80</b>
						<span class="in_zxca_b1_1s">双浮球式结构，具有轻瓦斯、重瓦斯、缺油三种信号输出</span>
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						<b class="in_zxca_b1_1b">压力释放阀YSF10-130DK</b>
						<span class="in_zxca_b1_1s">用于电气报警信号功能</span>
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						<b class="in_zxca_b1_1b">突发压力继电器SYJ（速动油压继电器）</b>
						<span class="in_zxca_b1_1s">用于以油箱内部压力变化速度作为电气报警信号的一种保护继电器</span>
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						<b class="in_zxca_b1_1b">指针式油位计YZF-250</b>
						<span class="in_zxca_b1_1s">高低油位时发出报警信号</span>
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					<div class="in_zxca_b2">产品中心　　<div class="in_zxca_b2r"><img src="http://www.dg7080.com/images/yanjing.png" alt=""> 4541</div></div>
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						<b class="in_zxca_b1_1b">指针式油位计YZF-90</b>
						<span class="in_zxca_b1_1s"></span>
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					<div class="in_zxca_b2">产品中心　　<div class="in_zxca_b2r"><img src="http://www.dg7080.com/images/yanjing.png" alt=""> 3637</div></div>
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				<a href="/case/d243.html">
					<div class="img"><img src="/uploads/article/6ec62f6f3be743317b4d3c.jpg" alt=""></div>
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						<b class="in_zxca_b1_1b">智能保护器QYW-DS</b>
						<span class="in_zxca_b1_1s">德广电气专业生产高压输变电保护装置及变压。</span>
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					<div class="in_zxca_b2">产品中心　　<div class="in_zxca_b2r"><img src="http://www.dg7080.com/images/yanjing.png" alt=""> 2413</div></div>
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					<div class="img"><img src="/uploads/article/572c0b07f068f78e1cd55a.jpg" alt=""></div>
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						<b class="in_zxca_b1_1b">吸湿器有防护罩</b>
						<span class="in_zxca_b1_1s">德广电气专业生产高压输变电保护装置及变压。</span>
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					<div class="in_zxca_b2">产品中心　　<div class="in_zxca_b2r"><img src="http://www.dg7080.com/images/yanjing.png" alt=""> 2457</div></div>
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					<div class="img"><img src="/uploads/article/f8ed438374d6de8b84bc60.jpg" alt=""></div>
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						<b class="in_zxca_b1_1b">气体继电器QJM-40</b>
						<span class="in_zxca_b1_1s"></span>
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					<div class="in_zxca_b2">产品中心　　<div class="in_zxca_b2r"><img src="http://www.dg7080.com/images/yanjing.png" alt=""> 5549</div></div>
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						 &nbsp;市场上常见的油浸式变压器有两种：带储油柜型和全密封型，两种变压器在瓦斯继电器的选择上区别如下：
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