The device is called motor copper rings.
这种设备叫电机铜环。
Motor copper rings are a kind of lifting accessories.
电机铜环是起重配件的一种。
The swinging rotating joint consists of spherical body, thread joint sleeve, locking screw nut, large copper washer and two spherical rings.
本发明摆动旋转接头由球型接头体，螺纹接头套，锁紧螺帽，大铜垫和两个球面转环构成。
Adding copper traces on both sides of the board to form guard rings around the circuit's high-impedance nodes diverts leakage currents (Figure 3).
在电路板的两面敷铜形成保护环，可以在电路高阻抗节点周围转移漏电流(图3)。
The gates are usually painted red and have large copper door rings.
门通常漆成红色，并有大的铜门环。
This is a piece of copper 11 foil 20cm square that has 696 rings, a portion of which is reproduced above.
这是一片20平方厘米的铜箔，它有696个环。 铜箔的一部分是再生的。
This is a piece of copper 11 foil 20cm square that has 696 rings, a portion of which is reproduced above.
这是一片20平方厘米的铜箔，它有696个环。 铜箔的一部分是再生的。
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