英语词汇“switch plate”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

switch plate

noun

1 Railways (chiefly US ) (originally) either of the metal plates connected to or supporting a rail of a point, and attached at one end to the rails of the main track; (later) either of the metal plates reinforcing each tie at a point, and running under the rail brace and part of the rail itself (now chiefly historical ).

2Any of various plates on or under which a switch may be mounted; especially a flat cover for the electric wiring of an outlet box.

Origin

Mid 19th century.

单词	switch plate
释义	switch plate noun 1 Railways (chiefly US ) (originally) either of the metal plates connected to or supporting a rail of a point, and attached at one end to the rails of the main track; (later) either of the metal plates reinforcing each tie at a point, and running under the rail brace and part of the rail itself (now chiefly historical ). 2Any of various plates on or under which a switch may be mounted; especially a flat cover for the electric wiring of an outlet box. Origin Mid 19th century.
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