“disappearing carriage”的概念、定义、翻译、参考文献-科学参考

单词	disappearing carriage
释义	disappearing carriage [`dis·ǝ´pir·iŋ ´kar·ij] ^ORDNANCE A movable part for raising a heavy gun above a parapet and lowering it automatically after firing.
随便看	line of observation line of position line of retirement line of return line of sight line-of-sight velocity line of soundings line of striction line of strike line of support line of thrust line of tunnel line oiler Lineolaceae lineolate line pack line pad line pair line parameters line plate line printer line printing line profile line pulsing liner

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