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 rail anchor [′rāl ‚aŋ·kər] (civil engineering) A device that prevents tracks from moving longitudinally and maintains the proper gap between sections of rail.
随便看	duty exemption and drawback office duty exemption entitlement certificate duty exempt road vehicle duty factor duty failure to perform duty field officer duty flying control officer duty free duty-free duty free air and ship supply duty free allowance duty free americas inc duty free and travel retail duty free credit entitlement duty-free credit entitlement certificate duty free export credit duty-free goods duty free import authorisation duty free news international duty free on arrival duty-free quota-free duty-free, quota-free treatment duty-free replenishment certificate scheme duty-frees duty free shop

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