以下为句子列表:
英文: Learn how to identify the different types of valves and how to detect faults in valves and cylinders.
中文: 知道鉴别不同型式的阀门和检测气瓶和阀门的缺陷。
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英文: Threaded seat rings in valves in services with high velocity (turbulent) flow or thermal cycling should be lock welded to the body to avoid loosening. Please specify.
中文: 当用于高速流体(湍流)或热循环应用时,为了避免松开,螺纹阀座环应该锁焊在阀体上。请在订购时加以指定说明。
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