1. The normallyclosedcontact of the Model 7169A serves to discharge the capacitor after it has been measured.
在测量完成以后，7169A型的常闭接点使电容器放电。
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2. When measuring the leakage current with this setup, the voltage bias is applied to all the diodes simultaneously through the normallyclosedcontact of each relay.
当利用这一配置测量漏流时，通过每个继电器的常闭触点同时向所有的二极管施加偏压。
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3. FS remote contact module with remote contact base, can be selected according to the actual needs of the terminal 1-2 (normally open) or 1-3 (normally closedcontact).
触点模块附带遥信触点功能底座，可根据实际需要选用端子1-2（常开触点）或1-3（常闭触点）连接。
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4. The movable safety piece is connected with the insulating system, is supported against by the control rod, and is in normallyclosed connection with the fixed contact piece.
该动保险片，它连接绝缘系统，而且，它受控制杆顶抵并常闭连 接该定接触片。
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5. The contact point is in a normally open state, namely, while the disc is closed, the contact point of the electric control device is closed, and in a power-on state, it sends out electric signals.
触点处于常开状态，即阀瓣关闭时，电控装置触点闭合，在通电状态下给出电信号。
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6. The contact point is in a normally open state, namely, while the disc is closed, the contact point of the electric control device is closed, and in a power-on state, it sends out electric signals.
