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

单词	switch lock
释义	switch lock noun : a manual or automatic locking device for assuring that a switch remains in proper position prior to and during the passage of a train
随便看	basaltiform basalts basaltwares basaluminite basanite basanites basans bascart bascine bascinet Bascologist Bascology bascule bascule bridge bascule escapement bascules base base angle base box base broom base bullion base burner base circle base coat base course

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switch lock