Pin feed: the method of feeding continuous stationery by lining up pins on the machines with a series of small holes in the paper.

圆钉给纸：边续表格的给纸方法。纸的两边打上连串小孔，对齐机器上的钉而被带动。

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Methods The rats model of hemophthisis was established with the method of feeding the low iron feed and blood letting in caudal vein.

方法采用低铁饲料喂饲大鼠并辅助尾静脉放血，建立大鼠低铁性贫血模型。

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Helicopter pilot Steve Irwin, who saw the sharks, believes they were spinner sharks, which received that name because of their unusual method of feeding.

直升机飞行员史蒂文·欧文(Steve Irwin)看到过这些鲨鱼，他认为它们是蔷薇真鲨(Spinner Shark, Carcharhinus brevipinna)——得名于它们独特的进食方式。

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