Shringkage porosity is a common defect style for aluminum alloy castings.

缩松是铝合金铸件中常见的缺陷。

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Having pits on deposits is the common defect in electroplating processing.

镀层麻点是电镀加工的常见质量问题。

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The existing damage model of concrete has a common defect, i , e, lacking of additivity.

目前所建立的砼损伤模型都有一个共同的不足之处即其所描述的损伤缺乏可加性。

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The patch is also being tested for a more common defect PFO, a hole that results when the heart wall doesn't seal the way it should after birth.

NPR: Heart Repair Breakthroughs Replace Surgeon's Knife

At issue is whether a heart-plug procedure to repair a birth defect that is common in about a quarter of the U.S. population can prevent strokes in young people.

WSJ: Doctors Debate Whether Strokes Be Prevented With a Heart-Plug Procedure