导电构件间的一种低阻电连接，如机箱和金属电缆壳之间，以使其保持相同电位，通常为大地电位。
A low resistance electrical connection between conducting structures such as racks and metal cable sheaths, made in order to keep them at the same potential, usually that of the earth.
导电构件间的一种低阻电连接，如机箱和金属电缆壳之间，以使其保持相同电位，通常为大地电位。
A low resistance electrical connection between conducting structures such as racks and metal cable sheaths, made in order to keep them at the same potential, usually that of the earth.
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