用LB1405 LB1415作直流电平指示
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直流电平指示="" 用lb1405="" src="/images/21ic_nopic.gif" data-src="bcc5B7gWq6zJPHCi10n8i90RYGxp2ILbx5yJKxzia1c0JXnS0S74UmFEQ+1Pe6bWREYRozUImpcGkNGq0WOCJSCnPO1FxZAgwE7HRtbXSkvC5ixOw4lI7Z81SoKMqw" class="delay_img" alt="用LB1405 LB1415作直流电平指示" />