Following a heart attack, irregularly shaped sections of dead scar tissue may form in the heart and block the electrical flow or cause a short circuit.
心肌梗死之后，梗死后形成的瘢痕组织，会在心脏内形成不规则形状的切片，它将阻断正常电活动或者引起短路。
Pre-rusted steel clads this L-shaped extension to a farmhouse in rural Canada, giving the block a burnt orange colouring that complements the red brickwork of its neighbour.
预锈钢包裹着这座加拿大乡村的L型平面农舍，赋予这座房子一种焦色，与周围的红砖房相呼应。
One fastening is an attaching fastening, wherein, two U-shaped dovetail groove tenons in reverse directions are arranged on a U-shaped block.
三是挂接连接件，是在U形块上有方向相反的两个U形燕尾槽榫。
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