common seal

常见例句

双语例句

• A common seal.
  一只普通的海豹。
• This procedure is a practical case chop identification can be achieved by identifying common seal .
  此程序是一印章识别实用案例，可以实现普通印章的识别。
• Pyrophyllite is the most common seal, pressure transfer and heat preservation, insulation material in domestic at present.
  高温高压合成超硬材料需要密封介质，叶蜡石是目前国内使用最普遍的密封、传压、保温、绝缘材料。

权威例句

• 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
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