以下为句子列表：
英文: A butterfly isolation valve cannot be installed directly to the valve inlet flange, as the disc will contact the orifice plate.
中文: 蝶阀隔离阀不能够直接安装在阀门进口法兰上，因为其阀瓣将会接触到节流板。
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英文: A long-standing obstruction (probably congenital) at the ureteral orifice through which the metal probe passes led to the marked hydroureter and hydronephrosis seen here.
中文: 用金属探针指示了在输尿管口的长期阻塞（可能是先天性的）。此处明显肾盂积水和输尿管积水由阻塞引起。
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英文: A mouse ran out from the dark orifice of the cave.
中文: 一只老鼠从黑暗的洞口跑出。
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英文: A nine-year-old elementary school boy stuck his tongue into an aluminum water-canister orifice while drinking from it at school .
中文: 摘要在耳鼻喉科的急诊病症中，耳鼻喉方面的异物并非少见。
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英文: Abstract: Based on problems occurred during the service of the LS spiral conveyer, such as, jam of uncharging orifice, short usefull life of the drop-hanger bearings, easy rupture of connecting parts; quick wear of spiral vane, etc. and according to the p
中文: 文摘:针对LS型输送机使用中存在的一些问题，如卸料口积料堵塞、吊轴承使用寿命短、连接件易断裂、螺旋叶片磨损快等问题，依据在铸造生产中的使用实践，进行故障分析，提出了改进思路，以利提高螺旋输送机整体设计和制造水平。
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