英语词汇“rail anchor”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	rail anchor
释义	rail anchor noun Etymology: rail (II) : a device to help maintain the proper line and gage of track by resisting the longitudinal movement of rails under traffic and maintaining proper expansion allowance at joint gaps for temperature changes
随便看	sea-grant college sea grape sea grass sea-green sea green sea-green incorruptible sea gudgeon sea gull sea gypsy sea-hair coralline sea hanger sea hare sea hawk sea hay sea heath sea-heath family sea hedgehog sea hen sea hog sea holly sea hollyhock sea horse seahound sea ice sea island

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