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... donkey feed water pump ==> 备用给水泵 donkey locomotive ==> 窄轨机车 donkey pump ==> 蒸汽往复给水泵,辅助水泵 ...
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... 窄基底光电二极管：narrow-base photodiode 窄轨机车：narrow rail train 窄轨斗车：decauville wagon ...
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